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Home » Security Advisories» Debian » GnuPg remote code execution

GnuPg remote code execution

Tavis Ormandy noticed that gnupg, the GNU privacy guard - a free PGP replacement, can be tricked to emit a "good signature" status message when a valid signature is included which does not belong to the data packet.

  • Vendor: Debian
  • Vendor ID: DSA 993-1
  • Date: March 10, 2006


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Debian Security Advisory DSA 993-1 [email protected]
http://www.debian.org/security/ Martin Schulze
March 10th, 2006 http://www.debian.org/security/faq
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Package : gnupg
Vulnerability : programming error
Problem type : remote
Debian-specific: no
CVE ID : CVE-2006-0049

Tavis Ormandy noticed that gnupg, the GNU privacy guard - a free PGP
replacement, can be tricked to emit a "good signature" status message
when a valid signature is included which does not belong to the data
packet.

The old stable distribution (woody) is not affected by this problem.

For the stable distribution (sarge) this problem has been fixed in
version 1.4.1-1.sarge3.

For the unstable distribution (sid) this problem has been fixed in
version 1.4.2.2-1.

We recommend that you upgrade your gnupg package.


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 3.1 alias sarge
- --------------------------------

Source archives:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3.dsc
Size/MD5 checksum: 680 8f2f1848dcdfe9d143d8e9352ef918ca
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3.diff.gz
Size/MD5 checksum: 19639 9ffb89fa0a770568ddd80a11e3eada78
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1.orig.tar.gz
Size/MD5 checksum: 4059170 1cc77c6943baaa711222e954bbd785e5

Alpha architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_alpha.deb
Size/MD5 checksum: 2155538 07b4643bf4cd05639a261fa0b3fa6a89

AMD64 architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_amd64.deb
Size/MD5 checksum: 1963222 52cdf1bb1a228427abd31abff411a946

ARM architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_arm.deb
Size/MD5 checksum: 1899232 c52b0d652506e2384340d67f8126a1b2

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_i386.deb
Size/MD5 checksum: 1908754 cd9c2257b8c7149a92131abbdaef498c

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_ia64.deb
Size/MD5 checksum: 2324736 3553c75fac7cdc0a7d157c20aad4525c

HP Precision architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_hppa.deb
Size/MD5 checksum: 2004042 2bb61f214979d403de8e3eab35c4ef00

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_m68k.deb
Size/MD5 checksum: 1810978 8da1cbf5b8291ff54194010881832bf1

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_mips.deb
Size/MD5 checksum: 2000618 dfcf0ab7c9f5b3aada55bc27c1f1119d

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_mipsel.deb
Size/MD5 checksum: 2007396 6d99bcd4559ef9a73d43cedd8b8d1680

PowerPC architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_powerpc.deb
Size/MD5 checksum: 1957560 570ae516c68d6803aeafce048e0f978c

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_s390.deb
Size/MD5 checksum: 1966774 2f4a27beba4ff1fc96ef11d9e77b7ec1

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge3_sparc.deb
Size/MD5 checksum: 1897162 8520ccf5a05546d18a641a480b5926ac


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

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: [email protected]
Package info: `apt-cache show ' and http://packages.debian.org/

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