Re: xz backdoor

2024-04-03 Thread Petr Menšík
Good point. Check testing it is actually expected unix socket would be quite nice. Especially when the file sd-daemon.c implements sd_is_socket_unix function, but never uses it itself. libsystemd verifies this using socket_address_parse_unix or socket_address_parse_vsock in pid_notify_with_fds_

Re: xz backdoor

2024-04-03 Thread Lennart Poettering
On Di, 02.04.24 19:44, Petr Menšík (pemen...@redhat.com) wrote: > Function pid_notify_with_fds_internal from > ./src/libsystemd/sd-daemon/sd-daemon.c certainly is not just few lines, as > suggested. Should I ask why, if not necessary? The version in sd-daemon.c is a bit more complex because it su

Re: xz backdoor

2024-04-02 Thread Kevin Kofler via devel
Lennart Poettering wrote: > It *literally* is just sending a text string "READY=1" in an AF_UNIX > datagram to a socket whose path is provided to you in the > $NOTIFY_SOCKET env var. I see so many ways one can get this wrong. E.g., using some abstraction for the socket write that can also write t

Re: xz backdoor

2024-04-02 Thread Petr Menšík
On 02. 04. 24 14:17, Lennart Poettering wrote: On Di, 02.04.24 14:04, Petr Menšík (pemen...@redhat.com) wrote: I am not convinced dlopen will it make secure in the end. I am not sure this is a good solution. dlopen makes those dependencies non-obvious from packaging side and non-visible from ld

Re: xz backdoor

2024-04-02 Thread Stephen Smoogen
On Tue, 2 Apr 2024 at 08:18, Lennart Poettering wrote: > On Di, 02.04.24 14:04, Petr Menšík (pemen...@redhat.com) wrote: > > > > Could be even smaller library libsystemd-notify linked from libsystemd, > > which would allow end applications to explicitly declare they need more > > limited set of f

Re: xz backdoor

2024-04-02 Thread Lennart Poettering
On Di, 02.04.24 14:04, Petr Menšík (pemen...@redhat.com) wrote: > I am not convinced dlopen will it make secure in the end. I am not sure this > is a good solution. dlopen makes those dependencies non-obvious from > packaging side and non-visible from ldd or similar checking programs. > > I think

Re: xz backdoor

2024-04-02 Thread Petr Menšík
I am not convinced dlopen will it make secure in the end. I am not sure this is a good solution. dlopen makes those dependencies non-obvious from packaging side and non-visible from ldd or similar checking programs. I think it should be considered to offer more than one dynamic library. For ex

Re: xz backdoor

2024-04-01 Thread Gary Buhrmaster
On Mon, Apr 1, 2024 at 9:17 PM Matthew Miller wrote: > > On Mon, Apr 01, 2024 at 05:47:10PM +, Gary Buhrmaster wrote: > > It does bring up a potential point that perhaps > > Fedora should have an additional repo (let's > > call it "emergency fixes") that is not community > > mirrored (so any m

Re: xz backdoor

2024-04-01 Thread Matthew Miller
On Mon, Apr 01, 2024 at 05:47:10PM +, Gary Buhrmaster wrote: > It does bring up a potential point that perhaps > Fedora should have an additional repo (let's > call it "emergency fixes") that is not community > mirrored (so any mirrors for load sharing > would be fully controlled by the project

Re: xz backdoor

2024-04-01 Thread Michael Catanzaro
On Mon, Apr 1 2024 at 10:25:16 AM -07:00:00, Adam Williamson wrote: Oh, ISWYM. Well, I suppose yes, that does happen to be true. We could communicate that if it's done very carefully and made really clear that it's about the *time frame*, nothing to do with the repositories. It's been brough

Re: xz backdoor

2024-04-01 Thread Sandro
On 01-04-2024 19:12, Adam Williamson wrote: On Mon, 2024-04-01 at 09:32 -0500, Michael Catanzaro wrote: On Sun, Mar 31 2024 at 06:52:53 PM +00:00:00, Christopher Klooz wrote: "Fedora Linux 40 branched users (i.e. pre-Beta) likely received the potentially vulnerable 5.6.0-2.fc40 build if the sy

Re: xz backdoor

2024-04-01 Thread Gary Buhrmaster
On Mon, Apr 1, 2024 at 5:27 PM Kevin Fenzi wrote: > Yes. The downgrade was pushed out on friday along with the f40 one. Of course, your mirror may vary as to availability (as I recall, in my particular case, my test VM for rawhide did not get the update for a day or so). It does bring up a pote

Re: xz backdoor

2024-04-01 Thread Christopher Klooz
On 01/04/2024 19.27, Kevin Fenzi wrote: On Mon, Apr 01, 2024 at 05:07:13PM +, Christopher Klooz wrote: On 31/03/2024 23.08, Kevin Fenzi wrote: On Sun, Mar 31, 2024 at 10:30:23PM +0200, Leon Fauster via devel wrote: Not sure, if it was already mentioned -> containers. I had here a toolbox

Re: xz backdoor

2024-04-01 Thread Kevin Fenzi
On Mon, Apr 01, 2024 at 05:07:13PM +, Christopher Klooz wrote: > > On 31/03/2024 23.08, Kevin Fenzi wrote: > > On Sun, Mar 31, 2024 at 10:30:23PM +0200, Leon Fauster via devel wrote: > > > Not sure, if it was already mentioned -> containers. I had here a toolbox > > > environment with F40. Tha

Re: xz backdoor

2024-04-01 Thread Adam Williamson
On Mon, 2024-04-01 at 12:16 -0500, Michael Catanzaro wrote: > On Mon, Apr 1 2024 at 10:12:55 AM -07:00:00, Adam Williamson > wrote: > > This is not really correct, or at least at all relevant. The bug > > wasn't > > in F40 Beta simply because the update never made it to 'stable'. Only > > 'stabl

Re: xz backdoor

2024-04-01 Thread Michael Catanzaro
On Mon, Apr 1 2024 at 10:12:55 AM -07:00:00, Adam Williamson wrote: This is not really correct, or at least at all relevant. The bug wasn't in F40 Beta simply because the update never made it to 'stable'. Only 'stable' packages go into *composes*. However, saying that is not really useful becau

Re: xz backdoor

2024-04-01 Thread Adam Williamson
On Mon, 2024-04-01 at 09:32 -0500, Michael Catanzaro wrote: > On Sun, Mar 31 2024 at 06:52:53 PM +00:00:00, Christopher Klooz > wrote: > > "Fedora Linux 40 branched users (i.e. pre-Beta) likely received the > > potentially vulnerable 5.6.0-2.fc40 build if the system updated > > between March 2n

Re: xz backdoor

2024-04-01 Thread Christopher Klooz
On 31/03/2024 23.08, Kevin Fenzi wrote: On Sun, Mar 31, 2024 at 10:30:23PM +0200, Leon Fauster via devel wrote: Not sure, if it was already mentioned -> containers. I had here a toolbox environment with F40. That I had not in my first actions on the screen. The last state had 5.6.0-3 installed

Re: xz backdoor

2024-04-01 Thread Christopher Klooz
On 01/04/2024 16.32, Michael Catanzaro wrote: On Sun, Mar 31 2024 at 06:52:53 PM +00:00:00, Christopher Klooz wrote: "Fedora Linux 40 branched users (i.e. pre-Beta) likely received the potentially vulnerable 5.6.0-2.fc40 build if the system updated between March 2nd and March 6th. Fedora Li

Re: xz backdoor

2024-04-01 Thread Michael Catanzaro
On Sun, Mar 31 2024 at 06:52:53 PM +00:00:00, Christopher Klooz wrote: "Fedora Linux 40 branched users (i.e. pre-Beta) likely received the potentially vulnerable 5.6.0-2.fc40 build if the system updated between March 2nd and March 6th. Fedora Linux 40 Beta users only using stable repositories

Re: xz backdoor

2024-04-01 Thread Christopher Klooz
On 31/03/2024 21.33, Sandro wrote: On 31-03-2024 20:54, Christopher Klooz wrote: On 31/03/2024 20.52, Christopher Klooz wrote: On 31/03/2024 20.21, Michael Catanzaro wrote: On Sun, Mar 31 2024 at 09:56:04 AM -05:00:00, Michael Catanzaro wrote: I'm really frustrated with our communication r

Re: xz backdoor

2024-03-31 Thread Christopher Klooz
On 31/03/2024 23.11, Kevin Fenzi wrote: On Sun, Mar 31, 2024 at 08:55:37PM +, Christopher Klooz wrote: The repo files should be the same on Fedora containers, so if the container is F40 and the testing repo is enabled, it might have installed the malicious build. Right, if it was dnf upda

Re: xz backdoor

2024-03-31 Thread Kevin Fenzi
On Sun, Mar 31, 2024 at 08:55:37PM +, Christopher Klooz wrote: > The repo files should be the same on Fedora containers, so if the container > is F40 and the testing repo is enabled, it might have installed the malicious > build. Right, if it was dnf updated during the time that the bad upda

Re: xz backdoor

2024-03-31 Thread Kevin Fenzi
On Sun, Mar 31, 2024 at 10:30:23PM +0200, Leon Fauster via devel wrote: > > Not sure, if it was already mentioned -> containers. I had here a toolbox > environment with F40. That I had not in my first actions > on the screen. The last state had 5.6.0-3 installed but not sure > if the previous rele

Re: xz backdoor

2024-03-31 Thread Kevin Fenzi
On Sun, Mar 31, 2024 at 03:52:12PM -0500, Alex Thomas wrote: > Just to be clear, as I was getting ready to put 40 Beta on a test > machine, this has been fixed. I do the install and run updates and the > compromised version of xz is never installed? Correct. kevin signature.asc Description: PGP

Re: xz backdoor

2024-03-31 Thread Christopher Klooz
On 31/03/2024 22.30, Leon Fauster via devel wrote: Am 31.03.24 um 21:33 schrieb Sandro: On 31-03-2024 20:54, Christopher Klooz wrote: On 31/03/2024 20.52, Christopher Klooz wrote: On 31/03/2024 20.21, Michael Catanzaro wrote: On Sun, Mar 31 2024 at 09:56:04 AM -05:00:00, Michael Catanzaro

Re: xz backdoor

2024-03-31 Thread Alex Thomas
Just to be clear, as I was getting ready to put 40 Beta on a test machine, this has been fixed. I do the install and run updates and the compromised version of xz is never installed? -- ___ devel mailing list -- devel@lists.fedoraproject.org To unsubscrib

Re: xz backdoor

2024-03-31 Thread Leon Fauster via devel
Am 31.03.24 um 21:33 schrieb Sandro: On 31-03-2024 20:54, Christopher Klooz wrote: On 31/03/2024 20.52, Christopher Klooz wrote: On 31/03/2024 20.21, Michael Catanzaro wrote: On Sun, Mar 31 2024 at 09:56:04 AM -05:00:00, Michael Catanzaro wrote: I'm really frustrated with our communication r

Re: xz backdoor

2024-03-31 Thread Sandro
On 31-03-2024 20:54, Christopher Klooz wrote: On 31/03/2024 20.52, Christopher Klooz wrote: On 31/03/2024 20.21, Michael Catanzaro wrote: On Sun, Mar 31 2024 at 09:56:04 AM -05:00:00, Michael Catanzaro wrote: I'm really frustrated with our communication regarding this issue. Does anybody kno

Re: xz backdoor

2024-03-31 Thread Christopher Klooz
On 31/03/2024 20.52, Christopher Klooz wrote: On 31/03/2024 20.21, Michael Catanzaro wrote: On Sun, Mar 31 2024 at 09:56:04 AM -05:00:00, Michael Catanzaro wrote: I'm really frustrated with our communication regarding this issue. Does anybody know who can fix this? The Fedora Magazine art

Re: xz backdoor

2024-03-31 Thread Christopher Klooz
On 31/03/2024 20.21, Michael Catanzaro wrote: On Sun, Mar 31 2024 at 09:56:04 AM -05:00:00, Michael Catanzaro wrote: I'm really frustrated with our communication regarding this issue. Does anybody know who can fix this? The Fedora Magazine article has been fixed (thanks!). "*Fedora Linux

Re: xz backdoor

2024-03-31 Thread Michael Catanzaro
On Sun, Mar 31 2024 at 09:56:04 AM -05:00:00, Michael Catanzaro wrote: I'm really frustrated with our communication regarding this issue. Does anybody know who can fix this? The Fedora Magazine article has been fixed (thanks!). -- ___ devel mailing

Re: xz backdoor

2024-03-31 Thread Kevin Kofler via devel
Neal Gompa wrote: > Well, an easy solution is to make it so "dnf update" is coerced to > "dnf distro-sync" for development releases. That would not have helped containing this vulnerability. Keeping updates- testing disabled by default would have. Kevin Kofler -- _

Re: xz backdoor

2024-03-31 Thread Christopher Klooz
On 31/03/2024 16.56, Michael Catanzaro wrote: On Sun, Mar 31 2024 at 12:55:23 PM +00:00:00, Christopher Klooz wrote: In case someone from the Fedora Magazine is in the devel mailing list and reads this: I'm really frustrated with our communication regarding this issue. Does anybody know wh

Re: xz backdoor

2024-03-31 Thread Michael Catanzaro
On Sun, Mar 31 2024 at 07:15:42 AM -04:00:00, Neal Gompa wrote: Well, an easy solution is to make it so "dnf update" is coerced to "dnf distro-sync" for development releases. Then it doesn't matter. We could make that happen for Fedora 41 with the DNF 5 transition (there's already code to make t

Re: xz backdoor

2024-03-31 Thread Michael Catanzaro
On Sun, Mar 31 2024 at 12:55:23 PM +00:00:00, Christopher Klooz wrote: In case someone from the Fedora Magazine is in the devel mailing list and reads this: I'm really frustrated with our communication regarding this issue. Does anybody know who can fix this? If we don't know who can fix Fe

Re: xz backdoor

2024-03-31 Thread Tomasz Kłoczko
On Sun, 31 Mar 2024 at 13:55, Christopher Klooz wrote: [..] BTW all that scandal with xz backdoor. Looks like if fedora spec file would be using not Source0: https://github.com/tukaani-project/%{name}/releases/download/v%{version}/%{name}-%{version}.tar.gz but Source0: https://github.com

Re: xz backdoor

2024-03-31 Thread Christopher Klooz
On 30/03/2024 15.45, Michael Catanzaro wrote: On Sat, Mar 30 2024 at 12:26:48 PM +00:00:00, Christopher Klooz wrote:  If I got Rich right, the malicious code is likely to be broken on F40, No, that is not correct, as explained by [1] and [2]. We have already asked Red Hat to investigate an

Re: xz backdoor

2024-03-31 Thread Neal Gompa
On Sun, Mar 31, 2024 at 6:50 AM Kevin Kofler via devel wrote: > > Kevin Fenzi wrote: > > Branched enables updates-testing... so if you installed f40 anytime, you > > will have it enabled and if you then applied updates it would be in them > > Yet another thing I always said was a bad idea, and thi

Re: xz backdoor

2024-03-31 Thread Kevin Kofler via devel
Kevin Fenzi wrote: > Branched enables updates-testing... so if you installed f40 anytime, you > will have it enabled and if you then applied updates it would be in them Yet another thing I always said was a bad idea, and this incident proves it. This would have been filtered before reaching most

Re: xz backdoor

2024-03-31 Thread Sandro
On 31-03-2024 00:41, Kevin Fenzi wrote: On Sat, Mar 30, 2024 at 11:12:02PM +0100, Sandro wrote: From what I understood, F40 Beta, the official Beta release, available from the website as of March 26, has updates-testing disabled by default. That Nope. was confirmed by several people in #de

Re: xz backdoor

2024-03-31 Thread Adam Williamson
On Sat, 2024-03-30 at 16:41 -0700, Kevin Fenzi wrote: > On Sat, Mar 30, 2024 at 11:12:02PM +0100, Sandro wrote: > > > > From what I understood, F40 Beta, the official Beta release, available from > > the website as of March 26, has updates-testing disabled by default. That > > Nope. > > > was c

Re: xz backdoor

2024-03-30 Thread Peter Robinson
> >>> I don't know how the assumption came up that F40 is only affected if > >>> users opted in for testing, but that interpretation already ended up > >>> in the Fedora Magazine and in the official linkedin post of Fedora (I > >>> already asked to correct it). > >> > >> I believe that statement is

Re: xz backdoor

2024-03-30 Thread Kevin Fenzi
On Sat, Mar 30, 2024 at 11:12:02PM +0100, Sandro wrote: > > From what I understood, F40 Beta, the official Beta release, available from > the website as of March 26, has updates-testing disabled by default. That Nope. > was confirmed by several people in #devel yesterday when the Fedora Magazin

Re: xz backdoor

2024-03-30 Thread Germano Massullo
Il 30/03/24 23:12, Sandro ha scritto: From what I understood, F40 Beta, the official Beta release, available from the website as of March 26, has updates-testing disabled by default. That was confirmed by several people in #devel yesterday when the Fedora Magazine article was still being worked

Re: xz backdoor

2024-03-30 Thread Sandro
On 30-03-2024 22:10, Christopher Klooz wrote: On 30/03/2024 20.08, Sandro wrote: On 30-03-2024 13:26, Christopher Klooz wrote: I don't know how the assumption came up that F40 is only affected if users opted in for testing, but that interpretation already ended up in the Fedora Magazine and in

Re: xz backdoor

2024-03-30 Thread Christopher Klooz
On 30/03/2024 20.08, Sandro wrote: On 30-03-2024 13:26, Christopher Klooz wrote: I don't know how the assumption came up that F40 is only affected if users opted in for testing, but that interpretation already ended up in the Fedora Magazine and in the official linkedin post of Fedora (I alrea

Re: xz backdoor

2024-03-30 Thread Germano Massullo
regarding sabotaged Landlock sandbox https://mastodon.social/@dander...@hachyderm.io/112185746170709381 -- ___ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct:

Re: xz backdoor

2024-03-30 Thread Sandro
On 30-03-2024 13:26, Christopher Klooz wrote: I don't know how the assumption came up that F40 is only affected if users opted in for testing, but that interpretation already ended up in the Fedora Magazine and in the official linkedin post of Fedora (I already asked to correct it). I believe

Re: xz backdoor

2024-03-30 Thread Zbigniew Jędrzejewski-Szmek
On Sat, Mar 30, 2024 at 05:59:36PM -, Daniel Alley wrote: > It appears that libsystemd links to libraries for lzma/xz, bzip2, gzip and > also zstd, because some systemd utilities provide them as options in various > different contexts (but not consistently, zstd for instance is seemingly > s

Re: xz backdoor

2024-03-30 Thread Daniel Alley
It appears that libsystemd links to libraries for lzma/xz, bzip2, gzip and also zstd, because some systemd utilities provide them as options in various different contexts (but not consistently, zstd for instance is seemingly supported by some utilities and not by others, and I see some code such

Re: xz backdoor

2024-03-30 Thread Christopher Klooz
On 30/03/2024 15.45, Michael Catanzaro wrote: On Sat, Mar 30 2024 at 12:26:48 PM +00:00:00, Christopher Klooz wrote:  If I got Rich right, the malicious code is likely to be broken on F40, No, that is not correct, as explained by [1] and [2]. We have already asked Red Hat to investigate and

Re: xz backdoor

2024-03-30 Thread Michael Catanzaro
On Sat, Mar 30 2024 at 09:45:06 AM -05:00:00, Michael Catanzaro wrote: No, that is not correct, as explained by [1] and [2]. I pasted the wrong link for [2]. I meant to paste: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/message/GRMSYVY6AM7OZBGQCQWIKRAF7DEMOKJM/

Re: xz backdoor

2024-03-30 Thread Michael Catanzaro
On Sat, Mar 30 2024 at 12:26:48 PM +00:00:00, Christopher Klooz wrote: If I got Rich right, the malicious code is likely to be broken on F40, No, that is not correct, as explained by [1] and [2]. We have already asked Red Hat to investigate and fix the blog post. This is still an evolving s

Re: xz backdoor

2024-03-30 Thread Christopher Klooz
On 29/03/2024 22.10, Michael Catanzaro wrote: On Fri, Mar 29 2024 at 08:16:55 PM +00:00:00, Richard W.M. Jones wrote: These are the exact builds which were vulnerable.  Note the tags are all empty because Kevin untagged them last night, so you'll probably need to cross-reference these with bod

Re: xz backdoor

2024-03-30 Thread Richard W.M. Jones
On Fri, Mar 29, 2024 at 07:25:56PM -0500, Chris Adams wrote: > Once upon a time, Richard W.M. Jones said: > > (1) We built 5.6.0 for Fedora 40 & 41. Jia Tan was very insistent in > > emails that we should update. > > So this wasn't just a "hey, new upstream version", this was PUSHED on > distrib

Re: xz backdoor

2024-03-30 Thread Simon de Vlieger
Thanks so much for the concerted effort and handling of this, this stuff isn't easy. Would it be wise to revert to the last version that was signed by Lasse Colin instead or would the impact be too high? -- ___ devel mailing list -- devel@lists.fedorap

Re: xz backdoor

2024-03-30 Thread Adam Williamson
On Fri, 2024-03-29 at 15:01 -0500, Michael Catanzaro wrote: > On Fri, Mar 29 2024 at 07:56:49 PM +00:00:00, Richard W.M. Jones > wrote: > > secalert are already well aware and have approved the update. Kevin > > Fenzi, myself and others were working on it late last night :-( > > Sorry, I linked

Re: xz backdoor

2024-03-29 Thread Daniel Alley
This might be a good place to start https://gitlab.gnome.org/GNOME/nautilus/-/issues/1936 -- ___ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs

Re: xz backdoor

2024-03-29 Thread Justin W. Flory (he/him)
More about this is now published on the Fedora Magazine as well in this statement: https://fedoramagazine.org/cve-2024-3094-security-alert-f40-rawhide/ Thank you to all of our Fedora first responders who stopped something that could have been much worse. We should feel proud here. As far as Fedora

Re: xz backdoor

2024-03-29 Thread Chris Adams
Once upon a time, Richard W.M. Jones said: > (1) We built 5.6.0 for Fedora 40 & 41. Jia Tan was very insistent in > emails that we should update. So this wasn't just a "hey, new upstream version", this was PUSHED on distributions by the culprit. Are they a contributor to any other software in t

Re: xz backdoor

2024-03-29 Thread Dmitry Belyavskiy
There is a chance Fedora is not affected according to the following analysis: https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27 Quoting: = If those conditions check, the payload is injected into the source tree. We have not analyzed this payload in detail. Here are the main

Re: xz backdoor

2024-03-29 Thread Richard W.M. Jones
On Fri, Mar 29, 2024 at 04:46:54PM -0500, Michael Catanzaro wrote: > On Fri, Mar 29 2024 at 04:10:53 PM -05:00:00, Michael Catanzaro > wrote: > >OK, I am going to ask Product Security to edit their blog post to > >remove the incorrect information. I will CC you on that request. > > Or maybe I sho

Re: xz backdoor

2024-03-29 Thread Michael Catanzaro
On Fri, Mar 29 2024 at 04:10:53 PM -05:00:00, Michael Catanzaro wrote: OK, I am going to ask Product Security to edit their blog post to remove the incorrect information. I will CC you on that request. Or maybe I should rephrase this as a "request for clarification," because maybe they know s

Re: xz backdoor

2024-03-29 Thread Stephen Gallagher
Please add “Fedora ELN” as well. We have updates ready that should be composed by midnight tonight, but it should be mentioned in the announcements. On Fri, Mar 29, 2024 at 5:11 PM Michael Catanzaro wrote: > On Fri, Mar 29 2024 at 08:16:55 PM +00:00:00, Richard W.M. Jones > wrote: > > These are

Re: xz backdoor

2024-03-29 Thread Michael Catanzaro
On Fri, Mar 29 2024 at 08:16:55 PM +00:00:00, Richard W.M. Jones wrote: These are the exact builds which were vulnerable. Note the tags are all empty because Kevin untagged them last night, so you'll probably need to cross-reference these with bodhi updates. OK, I am going to ask Product Secu

Re: xz backdoor

2024-03-29 Thread Christopher Klooz
On 29/03/2024 21.01, Richard W.M. Jones wrote: On Fri, Mar 29, 2024 at 06:46:59PM +, Christopher Klooz wrote: Yes, F40 beta is affected, along with rawhide, but not F38/F39. https://discussion.fedoraproject.org/t/warning-malicious-code-in-current-pre-release-testing-versions-variants-f40-an

Re: xz backdoor

2024-03-29 Thread Björn Persson
Michael Catanzaro wrote: > On Fri, Mar 29 2024 at 07:44:12 PM +01:00:00, Mikel Olasagasti > wrote: > > Do we know if GH release tarballs are safe? > > The tarballs generated by GitHub that just include the contents of the > git repo should be safe (at least from this particular issue), So it

Re: xz backdoor

2024-03-29 Thread Björn Persson
Mikel Olasagasti wrote: > For whatever reason Source for xz was changed 2 months ago[1] to use > GH releases instead of tukaani.org site. The public key jia_tan_pubkey.txt did not change at the same time. It was introduced on 2023-05-04 when the package was updated to version 5.4.3. Apparently the

Re: xz backdoor

2024-03-29 Thread Chris Adams
Once upon a time, Richard W.M. Jones said: > On Fri, Mar 29, 2024 at 07:44:12PM +0100, Mikel Olasagasti wrote: > > Do we know if GH release tarballs are safe? > > @richard, do you remember why you had to change the source for the tarball? > > Sadly the release tarballs we used *do* contain the vu

Re: xz backdoor

2024-03-29 Thread Richard W.M. Jones
On Fri, Mar 29, 2024 at 07:44:12PM +0100, Mikel Olasagasti wrote: > Hi, > > I'm seeing weird things. > > For whatever reason Source for xz was changed 2 months ago[1] to use > GH releases instead of tukaani.org site. > > The XZ page[2] has a note stating: > > "Note: GitHub automatically include

Re: xz backdoor

2024-03-29 Thread Richard W.M. Jones
On Fri, Mar 29, 2024 at 03:01:34PM -0500, Michael Catanzaro wrote: > On Fri, Mar 29 2024 at 07:56:49 PM +00:00:00, Richard W.M. Jones > wrote: > >secalert are already well aware and have approved the update. Kevin > >Fenzi, myself and others were working on it late last night :-( > > Sorry, I li

Re: xz backdoor

2024-03-29 Thread Germano Massullo
It would be interesting to study how SELinux would have reacted to such kind of attack against sshd -- ___ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: h

Re: xz backdoor

2024-03-29 Thread Michael Catanzaro
On Fri, Mar 29 2024 at 07:44:12 PM +01:00:00, Mikel Olasagasti wrote: Do we know if GH release tarballs are safe? The tarballs generated by GitHub that just include the contents of the git repo should be safe (at least from this particular issue), but the Fedora package is not built from tho

Re: xz backdoor

2024-03-29 Thread Michael Catanzaro
On Fri, Mar 29 2024 at 07:56:49 PM +00:00:00, Richard W.M. Jones wrote: secalert are already well aware and have approved the update. Kevin Fenzi, myself and others were working on it late last night :-( Sorry, I linked to the wrong article. I meant to link to [1] which says that "At this ti

Re: xz backdoor

2024-03-29 Thread Richard W.M. Jones
On Fri, Mar 29, 2024 at 06:46:59PM +, Christopher Klooz wrote: > Yes, F40 beta is affected, along with rawhide, but not F38/F39. > > https://discussion.fedoraproject.org/t/warning-malicious-code-in-current-pre-release-testing-versions-variants-f40-and-rawhide-affected-users-of-f40-rawhide-need

Re: xz backdoor

2024-03-29 Thread Richard W.M. Jones
On Fri, Mar 29, 2024 at 02:40:48PM -0500, Michael Catanzaro wrote: > On Fri, Mar 29 2024 at 06:46:59 PM +00:00:00, Christopher Klooz > wrote: > >Yes, F40 beta is affected, along with rawhide, but not F38/F39. > > Unless I'm misunderstanding something, it looks xz-5.6.0-1.fc40 and > 5.6.0-2.fc40 a

Re: xz backdoor

2024-03-29 Thread Michael Catanzaro
On Fri, Mar 29 2024 at 06:46:59 PM +00:00:00, Christopher Klooz wrote: Yes, F40 beta is affected, along with rawhide, but not F38/F39. Unless I'm misunderstanding something, it looks xz-5.6.0-1.fc40 and 5.6.0-2.fc40 are backdoored, yes? Then rjones unknowingly broke the backdoor in two diffe

Re: xz backdoor

2024-03-29 Thread Kevin Kofler via devel
Mikel Olasagasti wrote: > And they wayback WayBackMachine[3] doesn't have previous versions. We have the previous versions in the dist-git lookaside cache and in the old SRPMs. Kevin Kofler -- ___ devel mailing list -- devel@lists.fedoraproject

Re: xz backdoor

2024-03-29 Thread Christopher Klooz
Yes, F40 beta is affected, along with rawhide, but not F38/F39. https://discussion.fedoraproject.org/t/warning-malicious-code-in-current-pre-release-testing-versions-variants-f40-and-rawhide-affected-users-of-f40-rawhide-need-to-respond/110683 https://www.redhat.com/en/blog/urgent-security-alert

Re: xz backdoor

2024-03-29 Thread Mikel Olasagasti
Hi, I'm seeing weird things. For whatever reason Source for xz was changed 2 months ago[1] to use GH releases instead of tukaani.org site. The XZ page[2] has a note stating: "Note: GitHub automatically includes two archives Source code (zip) and Source code (tar.gz) in the releases. These archi

Re: xz backdoor

2024-03-29 Thread Barry
Has this shipped on f40 beta? Barry > On 29 Mar 2024, at 18:08, Richard W.M. Jones wrote: > >  >> On Fri, Mar 29, 2024 at 07:00:37PM +0100, Kevin Kofler via devel wrote: >> Hi, >> >> wow: https://www.openwall.com/lists/oss-security/2024/ >> >> I think at this point we clearly cannot trust xz

Re: xz backdoor

2024-03-29 Thread Jerry James
On Fri, Mar 29, 2024 at 12:08 PM Richard W.M. Jones wrote: > On Fri, Mar 29, 2024 at 07:00:37PM +0100, Kevin Kofler via devel wrote: > > Hi, > > > > wow: https://www.openwall.com/lists/oss-security/2024/ > > > > I think at this point we clearly cannot trust xz upstream anymore and should > > proba

Re: xz backdoor

2024-03-29 Thread Neal Gompa
On Fri, Mar 29, 2024 at 2:08 PM Richard W.M. Jones wrote: > > > On Fri, Mar 29, 2024 at 07:00:37PM +0100, Kevin Kofler via devel wrote: > > Hi, > > > > wow: https://www.openwall.com/lists/oss-security/2024/ > > > > I think at this point we clearly cannot trust xz upstream anymore and should > > pr

Re: xz backdoor

2024-03-29 Thread Samuel Sieb
On 3/29/24 11:00, Kevin Kofler via devel wrote: wow: https://www.openwall.com/lists/oss-security/2024/ Specifically: https://www.openwall.com/lists/oss-security/2024/03/29/4 I think at this point we clearly cannot trust xz upstream anymore and should probably fork the project. -- ___

Re: xz backdoor

2024-03-29 Thread Richard W.M. Jones
On Fri, Mar 29, 2024 at 07:00:37PM +0100, Kevin Kofler via devel wrote: > Hi, > > wow: https://www.openwall.com/lists/oss-security/2024/ > > I think at this point we clearly cannot trust xz upstream anymore and should > probably fork the project. I kind of agree here, though it saddens me to s

Re: xz backdoor

2024-03-29 Thread Jonathan Wright via devel
That would be a bit premature. At this point it looks like one bad actor, and the other maintainer probably wasn't even aware. We should wait and see how this plays out. On Fri, Mar 29, 2024 at 1:01 PM Kevin Kofler via devel < devel@lists.fedoraproject.org> wrote: > Hi, > > wow: https://www.ope

xz backdoor

2024-03-29 Thread Kevin Kofler via devel
Hi, wow: https://www.openwall.com/lists/oss-security/2024/ I think at this point we clearly cannot trust xz upstream anymore and should probably fork the project. Kevin Kofler -- ___ devel mailing list -- devel@lists.fedoraproject.org To unsub