[USN-393-2] GnuPG2 vulnerabilities



===========================================================
Ubuntu Security Notice USN-393-2 December 07, 2006
gnupg2 vulnerabilities
CVE-2006-6169, CVE-2006-6235
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 6.10

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 6.10:
gnupg2 1.9.21-0ubuntu5.2

In general, a standard system upgrade is sufficient to effect the
necessary changes.

Details follow:

USN-389-1 and USN-393-1 fixed vulnerabilities in gnupg. This update
provides the corresponding updates for gnupg2.

Original advisory details:

A buffer overflow was discovered in GnuPG. By tricking a user into
running gpg interactively on a specially crafted message, an attacker
could execute arbitrary code with the user's privileges. This
vulnerability is not exposed when running gpg in batch mode.
(CVE-2006-6169)

Tavis Ormandy discovered that gnupg was incorrectly using the stack.
If a user were tricked into processing a specially crafted message, an
attacker could execute arbitrary code with the user's privileges.
(CVE-2006-6235)


Updated packages for Ubuntu 6.10:

Source archives:

http://security.ubuntu.com/ubuntu/pool/main/g/gnupg2/gnupg2_1.9.21-0ubuntu5.2.diff.gz
Size/MD5: 39057 24885457e44f2061c1a2ef98047357d4
http://security.ubuntu.com/ubuntu/pool/main/g/gnupg2/gnupg2_1.9.21-0ubuntu5.2.dsc
Size/MD5: 839 5786619a42c6768da183ec2c39d70541
http://security.ubuntu.com/ubuntu/pool/main/g/gnupg2/gnupg2_1.9.21.orig.tar.gz
Size/MD5: 2290952 5a609db8ecc661fb299c0dccd84ad503

amd64 architecture (Athlon64, Opteron, EM64T Xeon)

http://security.ubuntu.com/ubuntu/pool/universe/g/gnupg2/gnupg-agent_1.9.21-0ubuntu5.2_amd64.deb
Size/MD5: 193748 57618f27a79f42a3e9f66705ed0ab151
http://security.ubuntu.com/ubuntu/pool/universe/g/gnupg2/gnupg2_1.9.21-0ubuntu5.2_amd64.deb
Size/MD5: 787166 9641af8af591a9d61c3d9d77144aa320
http://security.ubuntu.com/ubuntu/pool/main/g/gnupg2/gpgsm_1.9.21-0ubuntu5.2_amd64.deb
Size/MD5: 333002 a6d5f35e4fc7dc4c6a837862b269ddc1

i386 architecture (x86 compatible Intel/AMD)

http://security.ubuntu.com/ubuntu/pool/universe/g/gnupg2/gnupg-agent_1.9.21-0ubuntu5.2_i386.deb
Size/MD5: 176170 3dc1e0b862fbf76905b61b20132812de
http://security.ubuntu.com/ubuntu/pool/universe/g/gnupg2/gnupg2_1.9.21-0ubuntu5.2_i386.deb
Size/MD5: 737818 ab6d004d7fbf1b0850e6f6f4f09771d4
http://security.ubuntu.com/ubuntu/pool/main/g/gnupg2/gpgsm_1.9.21-0ubuntu5.2_i386.deb
Size/MD5: 304798 1d6b309f0690685ffa95d219750033dc

powerpc architecture (Apple Macintosh G3/G4/G5)

http://security.ubuntu.com/ubuntu/pool/universe/g/gnupg2/gnupg-agent_1.9.21-0ubuntu5.2_powerpc.deb
Size/MD5: 190614 16cd71ed4d92b1203806ba50e638e9e0
http://security.ubuntu.com/ubuntu/pool/universe/g/gnupg2/gnupg2_1.9.21-0ubuntu5.2_powerpc.deb
Size/MD5: 773762 56903ee4d39929254b3a4ac06a56a2c5
http://security.ubuntu.com/ubuntu/pool/main/g/gnupg2/gpgsm_1.9.21-0ubuntu5.2_powerpc.deb
Size/MD5: 324332 6b9152bd5753f974161c298d6fd6f894

sparc architecture (Sun SPARC/UltraSPARC)

http://security.ubuntu.com/ubuntu/pool/universe/g/gnupg2/gnupg-agent_1.9.21-0ubuntu5.2_sparc.deb
Size/MD5: 174144 2e5e21144005113345e3abeef2b50496
http://security.ubuntu.com/ubuntu/pool/universe/g/gnupg2/gnupg2_1.9.21-0ubuntu5.2_sparc.deb
Size/MD5: 726244 5dc2d8b804a2a5276344b151a46e1346
http://security.ubuntu.com/ubuntu/pool/main/g/gnupg2/gpgsm_1.9.21-0ubuntu5.2_sparc.deb
Size/MD5: 297640 5c27421fb28c63abac748419a05220bb

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