Articles / Debian: New gnupg2 packages…

Debian: New gnupg2 packages fix potential code execution

It was discovered that GnuPG 2 uses a freed pointer when verify a signature or importing a certificate with many Subject Alternate Names, potentially leading to arbitrary code execution. Updated packages are available from

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Debian Security Advisory DSA-2076-1                                   Florian Weimer
July 27, 2010               
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Package        : gnupg2
Vulnerability  : use-after-free
Problem type   : local (remote)
Debian-specific: no
CVE Id(s)      : CVE-2010-2547
Debian Bug     : 590122

It was discovered that GnuPG 2 uses a freed pointer when verify a
signature or importing a certificate with many Subject Alternate Names,
potentially leading to arbitrary code execution.

For the stable distribution (lenny), this problem has been fixed in
version 2.0.9-3.1+lenny1.

For the unstable distribution (sid), this problem has been fixed in
version  2.0.14-2.

GnuPG 1 (in the gnupg package) is not affected by this problem.

We recommend that you upgrade your gnupg2 packages.

Upgrade instructions
- --------------------

wget url
       will fetch the file for you
dpkg -i file.deb
       will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
       will update the internal database
apt-get upgrade
       will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.

Debian GNU/Linux 5.0 alias lenny
- --------------------------------

Source archives:
   Size/MD5 checksum:     1682 405e9811b153ad4251835255e79e50e7
   Size/MD5 checksum:    40250 48d30d7a03a411929020196f4707e366
   Size/MD5 checksum:  5198703 3b6b1742509f396d51528e0cd4c76a13

alpha architecture (DEC Alpha)
   Size/MD5 checksum:   506092 20ddf3657383e5a1c128d7a6bbdb0e74
   Size/MD5 checksum:   345320 b1f3ca05b21ef10e8d57ebcee43a1a04
   Size/MD5 checksum:  2257726 2fd9ac262c0222a567c6ec26acd9b848

amd64 architecture (AMD x86_64 (AMD64))
   Size/MD5 checksum:  2169660 1228c3ab918511ead561ec5331fbfae8
   Size/MD5 checksum:   316116 593be53060752c8873c7ffc4ce26ad92
   Size/MD5 checksum:   462744 f864f696b260080dbee107eff516717b

arm architecture (ARM)
   Size/MD5 checksum:   409934 a67874ca01827d29630dc16974b0c934
   Size/MD5 checksum:   279084 6c2417d8ff637d6ddbfbca69ce5a9332
   Size/MD5 checksum:  2083314 a8ee45ea904529b71e990f4d98d6fb05

armel architecture (ARM EABI)
   Size/MD5 checksum:   413846 d9773981d0b7a17842caf953625af0eb
   Size/MD5 checksum:  2092526 aae6bba65caad81c1aa62cf2315d847a
   Size/MD5 checksum:   281204 d3e5b416ca794e665bc107fd2e3981d0

hppa architecture (HP PA RISC)
   Size/MD5 checksum:   322572 461a593f1fc8f937072b8a6436c6c375
   Size/MD5 checksum:  2189366 ef71be75e3cc74735f9df4e8a9f4185c
   Size/MD5 checksum:   467836 2db47e0e38ea653db55cb3a7e67c221f

i386 architecture (Intel ia32)
   Size/MD5 checksum:   421382 9214c8c956347f5535f8284743ab4a56
   Size/MD5 checksum:  2111258 216b70c4252703d2b339e83f49fa48b9
   Size/MD5 checksum:   285638 90d912dabbeb8959e524ac3fe51b62af

ia64 architecture (Intel ia64)
   Size/MD5 checksum:  2545468 e32e42f67b85850c16b1d9467f83609e
   Size/MD5 checksum:   660374 c3d4f14c6f4a6dfe1a60baf549ff367a
   Size/MD5 checksum:   444926 3cfeb45a841e64267e391a9f59bb8c68

mips architecture (MIPS (Big Endian))
   Size/MD5 checksum:   310928 a937b6b9643afcdc27a49877ab8ce03f
   Size/MD5 checksum:  2170292 4ecbf964d264bf5a81fc5cc1f8d4e7e1
   Size/MD5 checksum:   452494 f4aa041b82ce04f44ea3d48e7c9eea90

mipsel architecture (MIPS (Little Endian))
   Size/MD5 checksum:  2156394 86a2f0a81e5c1307a79467c697994b10
   Size/MD5 checksum:   452910 bc88ae07b4f773c2e045959bdcdb088e
   Size/MD5 checksum:   310454 54f0e518e34b13207c67d08d244841c3

powerpc architecture (PowerPC)
   Size/MD5 checksum:  2181760 94eae71a050c44e50612467ee49cd0ff
   Size/MD5 checksum:   321404 5212acf39277399af97165d99e5943a4
   Size/MD5 checksum:   461700 54253f7d1dc99469d6b4679eaabb1e9a

s390 architecture (IBM S/390)
   Size/MD5 checksum:   322328 d0d83de5cacfa74ee3bc90a4de1f52b7
   Size/MD5 checksum:  2183640 c05ab771542dd76f00ba79e2e4a8a195
   Size/MD5 checksum:   464600 3142165f77991f60305d555ae7a2845c

sparc architecture (Sun SPARC/UltraSPARC)
   Size/MD5 checksum:   280932 fe9900d6e347c6e4aa307d0d4d52cee1
   Size/MD5 checksum:  2100032 0e3d68f24cb12da51f37e8166606595b
   Size/MD5 checksum:   412538 6f3332ffd017f2787c6427a9700a2928

 These files will probably be moved into the stable distribution on
 its next update.

- ---------------------------------------------------------------------------------
For apt-get: deb stable/updates main
For dpkg-ftp: dists/stable/updates/main
Mailing list:
Package info: `apt-cache show <pkg>' and<pkg>
Version: GnuPG v1.4.9 (GNU/Linux)


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