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Home » Security Advisories» Debian » New pam-pgsql packages fix format string vulnerability

New pam-pgsql packages fix format string vulnerability

Florian Zumbiehl reported a vulnerability in pam-pgsql whereby the username to be used for authentication is used as a format string when writing a log message. This vulnerability may allow an attacker to execute arbitrary code with the privileges of the program requesting PAM authentication.

  • Vendor: Debian
  • Vendor ID: DSA 370-1
  • Date: August 08, 2003


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Debian Security Advisory DSA 370-1 [email protected]
http://www.debian.org/security/ Matt Zimmerman
August 8th, 2003 http://www.debian.org/security/faq
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Package : pam-pgsql
Vulnerability : format string
Problem-Type : remote
Debian-specific: no
CVE Ids : CAN-2003-0672

Florian Zumbiehl reported a vulnerability in pam-pgsql whereby the
username to be used for authentication is used as a format string when
writing a log message. This vulnerability may allow an attacker to
execute arbitrary code with the privileges of the program requesting
PAM authentication.

For the stable distribution (woody) this problem has been fixed in
version 0.5.2-3woody1.

For the unstable distribution (sid) this problem has been fixed in
version 0.5.2-7.

We recommend that you update your pam-pgsql 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 3.0 alias woody
- --------------------------------

Source archives:

http://security.debian.org/pool/updates/main/p/pam-pgsql/pam-pgsql_0.5.2-3woody1.dsc
Size/MD5 checksum: 644 01ce86abcdc3a432fc979e1b0f0203a2
http://security.debian.org/pool/updates/main/p/pam-pgsql/pam-pgsql_0.5.2-3woody1.diff.gz
Size/MD5 checksum: 5008 b2be8320b3d2a468b3a5af0fa8bf9e1b
http://security.debian.org/pool/updates/main/p/pam-pgsql/pam-pgsql_0.5.2.orig.tar.gz
Size/MD5 checksum: 39892 3ee046cd64ad9c3e02ad486d0398ad13

Alpha architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_alpha.deb
Size/MD5 checksum: 15226 c10f5e09cd23810c2418fccfe42414ef

ARM architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_arm.deb
Size/MD5 checksum: 13602 bf8f9d8244b36ded089b615f2e76d285

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_i386.deb
Size/MD5 checksum: 13450 b68edd005607062670d4e1280025f27c

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_ia64.deb
Size/MD5 checksum: 20280 3d755ff713654155613eb28c1fa39077

HP Precision architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_hppa.deb
Size/MD5 checksum: 14154 7a7ddbd447a3c6470ec281d4ec8a0181

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_m68k.deb
Size/MD5 checksum: 13598 db5d0f4711bcae1770230cf026ba0d91

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_mips.deb
Size/MD5 checksum: 13338 a18e7309983872fec63dc363de4ee97d

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_mipsel.deb
Size/MD5 checksum: 13354 07b3deb8d49d04d853311746a26b19f4

PowerPC architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_powerpc.deb
Size/MD5 checksum: 13728 11b9ebcaa2e744acce12e844c59ea893

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_s390.deb
Size/MD5 checksum: 13908 6b285c2dfa13c138155559a92b24e3b1

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/p/pam-pgsql/libpam-pgsql_0.5.2-3woody1_sparc.deb
Size/MD5 checksum: 13556 eb37c53e7fc2084b6883f1c563d6ff92

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

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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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