Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-30 Thread Hans Fugal
I was actually working with the 0.8.5 tarball outside of the kernel. There doesn't seem to be any problem with SECURITY_CAPABILITIES=n when using the realtime-lsm 2.6.10 patch. (Again, I built but didn't reboot to test) On Thu, 30 Dec 2004 at 10:20 -0600, Jack O'Quin wrote: > Hans Fugal <[EMAIL PR

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-30 Thread Jack O'Quin
Hans Fugal <[EMAIL PROTECTED]> writes: > On Wed, 29 Dec 2004 at 11:07 +0100, Frank Barknecht wrote: >> Hallo, >> Fernando Lopez-Lezcano hat gesagt: // Fernando Lopez-Lezcano wrote: >> >> > Why I think this is a yes. Any kernel that wants to use the realtime-lsm >> > will have to either not build

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-30 Thread Hans Fugal
On Wed, 29 Dec 2004 at 11:07 +0100, Frank Barknecht wrote: > Hallo, > Fernando Lopez-Lezcano hat gesagt: // Fernando Lopez-Lezcano wrote: > > > Why I think this is a yes. Any kernel that wants to use the realtime-lsm > > will have to either not build the POSIX capabilities lsm, or build it as > >

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-29 Thread Jack O'Quin
Fernando Lopez-Lezcano <[EMAIL PROTECTED]> writes: > I don't understand the technical details. I did try this last week but > it does not work, you can either have the POSIX lsm or the realtime lsm > subscribed as a secondary module (whatever that is), but not both at the > same time. Apparently (

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-29 Thread Lee Revell
On Wed, 2004-12-29 at 10:54 -0800, Fernando Lopez-Lezcano wrote: > On Wed, 2004-12-29 at 02:07, Frank Barknecht wrote: > > Hallo, > > Fernando Lopez-Lezcano hat gesagt: // Fernando Lopez-Lezcano wrote: > > > > > Why I think this is a yes. Any kernel that wants to use the realtime-lsm > > > will ha

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-29 Thread Fernando Lopez-Lezcano
On Wed, 2004-12-29 at 02:07, Frank Barknecht wrote: > Hallo, > Fernando Lopez-Lezcano hat gesagt: // Fernando Lopez-Lezcano wrote: > > > Why I think this is a yes. Any kernel that wants to use the realtime-lsm > > will have to either not build the POSIX capabilities lsm, or build it as > > a modul

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-29 Thread Lee Revell
On Wed, 2004-12-29 at 04:21 -0500, Lee Revell wrote: > On Tue, 2004-12-28 at 23:36 -0800, Fernando Lopez-Lezcano wrote: > > Any kernel that wants to use the realtime-lsm > > will have to either not build the POSIX capabilities lsm, or build it as > > a module. In the later case the system will be v

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-29 Thread Frank Barknecht
Hallo, Fernando Lopez-Lezcano hat gesagt: // Fernando Lopez-Lezcano wrote: > Why I think this is a yes. Any kernel that wants to use the realtime-lsm > will have to either not build the POSIX capabilities lsm, or build it as > a module. In the later case the system will be vulnerable. The > realti

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-29 Thread Lee Revell
On Tue, 2004-12-28 at 23:36 -0800, Fernando Lopez-Lezcano wrote: > Any kernel that wants to use the realtime-lsm > will have to either not build the POSIX capabilities lsm, or build it as > a module. In the later case the system will be vulnerable. The > realtime-lsm does not depend on the POSIX ca

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-28 Thread Fernando Lopez-Lezcano
On Tue, 2004-12-28 at 22:15, Lee Revell wrote: > On Tue, 2004-12-28 at 21:51 -0800, Fernando Lopez-Lezcano wrote: > > On Tue, 2004-12-28 at 13:35, Lee Revell wrote: > > > On Tue, 2004-12-28 at 13:17 -0800, Fernando Lopez-Lezcano wrote: > > > > On Tue, 2004-12-28 at 12:28, Lee Revell wrote: > > > >

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-28 Thread Lee Revell
On Tue, 2004-12-28 at 21:51 -0800, Fernando Lopez-Lezcano wrote: > On Tue, 2004-12-28 at 13:35, Lee Revell wrote: > > On Tue, 2004-12-28 at 13:17 -0800, Fernando Lopez-Lezcano wrote: > > > On Tue, 2004-12-28 at 12:28, Lee Revell wrote: > > > > On Mon, 2004-12-27 at 14:41 +0100, Frank Barknecht wrot

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-28 Thread Fernando Lopez-Lezcano
On Tue, 2004-12-28 at 13:35, Lee Revell wrote: > On Tue, 2004-12-28 at 13:17 -0800, Fernando Lopez-Lezcano wrote: > > On Tue, 2004-12-28 at 12:28, Lee Revell wrote: > > > On Mon, 2004-12-27 at 14:41 +0100, Frank Barknecht wrote: > > > > Read on here: > > > > http://www.derkeiler.com/Mailing-Lists/s

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-28 Thread Lee Revell
On Tue, 2004-12-28 at 22:36 +0100, Frank Barknecht wrote: > Hallo, > Fernando Lopez-Lezcano hat gesagt: // Fernando Lopez-Lezcano wrote: > > > On Tue, 2004-12-28 at 12:28, Lee Revell wrote: > > > On Mon, 2004-12-27 at 14:41 +0100, Frank Barknecht wrote: > > > > Read on here: > > > > http://www.der

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-28 Thread Frank Barknecht
Hallo, Fernando Lopez-Lezcano hat gesagt: // Fernando Lopez-Lezcano wrote: > On Tue, 2004-12-28 at 12:28, Lee Revell wrote: > > On Mon, 2004-12-27 at 14:41 +0100, Frank Barknecht wrote: > > > Read on here: > > > http://www.derkeiler.com/Mailing-Lists/securityfocus/bugtraq/2004-12/0390.html > > >

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-28 Thread Lee Revell
On Tue, 2004-12-28 at 13:17 -0800, Fernando Lopez-Lezcano wrote: > On Tue, 2004-12-28 at 12:28, Lee Revell wrote: > > On Mon, 2004-12-27 at 14:41 +0100, Frank Barknecht wrote: > > > Read on here: > > > http://www.derkeiler.com/Mailing-Lists/securityfocus/bugtraq/2004-12/0390.html > > > > Wow, this

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-28 Thread Lee Revell
On Tue, 2004-12-28 at 13:17 -0800, Fernando Lopez-Lezcano wrote: > On Tue, 2004-12-28 at 12:28, Lee Revell wrote: > > On Mon, 2004-12-27 at 14:41 +0100, Frank Barknecht wrote: > > > Read on here: > > > http://www.derkeiler.com/Mailing-Lists/securityfocus/bugtraq/2004-12/0390.html > > > > Wow, this

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-28 Thread Fernando Lopez-Lezcano
On Tue, 2004-12-28 at 12:28, Lee Revell wrote: > On Mon, 2004-12-27 at 14:41 +0100, Frank Barknecht wrote: > > Read on here: > > http://www.derkeiler.com/Mailing-Lists/securityfocus/bugtraq/2004-12/0390.html > > Wow, this is a HORRIBLE bug. Indeed. I tried it and it works. Someone should have bee

Re: [linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-28 Thread Lee Revell
On Mon, 2004-12-27 at 14:41 +0100, Frank Barknecht wrote: > Read on here: > http://www.derkeiler.com/Mailing-Lists/securityfocus/bugtraq/2004-12/0390.html Wow, this is a HORRIBLE bug. Lee

[linux-audio-dev] LSM: Linux 2.6 Kernel Capability LSM Module Local Privilege Elevation

2004-12-27 Thread Frank Barknecht
Hi, careful with the linux security module: As reported on Bugtraq, there's a vulnerability when loading LSM as a module instead of compiling it into the kernel: "When POSIX Capability LSM module isn't compiled into kernel, after inserting Capability module into kernel, all existed normal users p