DSA 1203-1: New libpam-ldap packages fix access control bypass
Posted on: 11/02/2006 08:00 PM

The Debian Security Team published a new security update for Debian GNU/Linux. Here the announcement:

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Debian Security Advisory DSA 1203-1 security@debian.org
http://www.debian.org/security/ Moritz Muehlenhoff
November 2nd, 2006 http://www.debian.org/security/faq
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Package : libpam-ldap
Vulnerability : programming error
Problem-Type : remote
Debian-specific: no
CVE ID : CVE-2006-5170
Debian Bug : 392984

Steve Rigler discovered that the PAM module for authentication against
LDAP servers processes PasswordPolicyReponse control messages incorrectly,
which might lead to an attacker being able to login into a suspended
system account.

For the stable distribution (sarge) this problem has been fixed in
version 178-1sarge3. Due to technical problems with the security
buildd infrastructure this update lacks a build for the Sun Sparc
architecture. It will be released as soon as the problems are resolved.

For the unstable distribution (sid) this problem has been fixed in
version 180-1.2.

We recommend that you upgrade your libpam-ldap package.


Upgrade Instructions
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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
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Source archives:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3.dsc
Size/MD5 checksum: 672 70ea2f0c5b12d5feebd5ffefcc5f1900
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3.diff.gz
Size/MD5 checksum: 19895 1ad6af601dbe8caf066477759f5eb83f
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178.orig.tar.gz
Size/MD5 checksum: 127074 222186c498d24a7035e8a7494fc0797d

Alpha architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_alpha.deb
Size/MD5 checksum: 59374 94464d923e7eb3b1b88a721a9782b210

AMD64 architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_amd64.deb
Size/MD5 checksum: 57138 a631c72b776e575907e14f60a71ff0b4

ARM architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_arm.deb
Size/MD5 checksum: 55960 d6a73da11f36c51bf85a0886bbe96832

HP Precision architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_hppa.deb
Size/MD5 checksum: 60088 830364405f19bc2f31ad49ca9d668fce

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_i386.deb
Size/MD5 checksum: 58096 fa704c2fb6dfa9607921ca189390ab71

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_ia64.deb
Size/MD5 checksum: 65134 597ef7f32ab801ef56abdce72db508e0

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_m68k.deb
Size/MD5 checksum: 56108 5d28ec4ad76bcde81b667d1b8ee7d05d

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_mips.deb
Size/MD5 checksum: 56466 a1934c07b2c2e868b79bbbbd23642431

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_mipsel.deb
Size/MD5 checksum: 56380 4c7bb457e02e385103d0d06a10bdd63d

PowerPC architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_powerpc.deb
Size/MD5 checksum: 57342 932c9f2ba28624402ec73b33bf440c1b

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge3_s390.deb
Size/MD5 checksum: 57466 8555d1c9062803e73d5ee77245bb0aee


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

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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: debian-security-announce@lists.debian.org
Package info: `apt-cache show lt;pkggt;' and http://packages.debian.org/lt;pkggt;
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