Bug#725411: gnupg: gpg blindly imports keys from keyserver responses

2014-08-24 Thread Florian Weimer
* Paul Wise: In addition to the user expectations issues Andrew mentions, it isn't too hard to imagine attacks that take advantage of colliding key-ids, blind key imports by gpg and tools/users that only look at key-ids. http://www.asheesh.org/note/debian/short-key-ids-are-bad-news The

Bug#725411: gnupg: gpg blindly imports keys from keyserver responses

2014-08-24 Thread Paul Wise
On Sun, 2014-08-24 at 16:46 +0200, Florian Weimer wrote: * Paul Wise: In addition to the user expectations issues Andrew mentions, it isn't too hard to imagine attacks that take advantage of colliding key-ids, blind key imports by gpg and tools/users that only look at key-ids.

Bug#725411: [Pkg-gnupg-maint] Bug#725411: gnupg: gpg blindly imports keys from keyserver responses

2014-08-24 Thread Daniel Kahn Gillmor
On 08/24/2014 07:46 AM, Florian Weimer wrote: The recommendation to rely on 64 bit key IDs is rather questionable because V3 keys allow cheap construction of 64-bit key ID duplicates: http://www.ietf.org/mail-archive/web/openpgp/current/msg00373.html This is not an issue with 64-bit key IDs,

Bug#725411: gnupg: gpg blindly imports keys from keyserver responses

2014-08-23 Thread Paul Wise
In addition to the user expectations issues Andrew mentions, it isn't too hard to imagine attacks that take advantage of colliding key-ids, blind key imports by gpg and tools/users that only look at key-ids. http://www.asheesh.org/note/debian/short-key-ids-are-bad-news -- bye, pabs

Bug#725411: gnupg: gpg blindly imports keys from keyserver responses

2014-08-22 Thread Thijs Kinkhorst
Hi Paul, tags 725411 + security This bug has been fixed in GnuPG 1.4.17. Although it's a good robustness and anti-keyring-polution measure, I don't think it's an acute security issue in stable that needs to be fixed in a DSA, because the threat model is unclear to me. I think it's well

Bug#725411: gnupg: gpg blindly imports keys from keyserver responses

2014-08-22 Thread Andrew Ayer
Hi Thijs, On Fri, 22 Aug 2014 13:41:20 +0200 Thijs Kinkhorst th...@debian.org wrote: This bug has been fixed in GnuPG 1.4.17. Although it's a good robustness and anti-keyring-polution measure, I don't think it's an acute security issue in stable that needs to be fixed in a DSA, because the

Bug#725411: gnupg: gpg blindly imports keys from keyserver responses

2013-10-05 Thread Stefan Tomanek
Package: gnupg Version: 1.4.12-7+deb7u1 Severity: normal Dear Maintainer, the current release versions of gnupg (1.4 a swell as 2) blindly import anything returned from a keyserver; even when requesting a key by its most specific identifier (full fingerprint), the server is free to return