Debian Security Advisory

DSA-785-1 libpam-ldap -- authentication bypass

Date Reported:
25 Aug 2005
Affected Packages:
libpam-ldap
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2005-2641, CVE-2005-2069.
CERT's vulnerabilities, advisories and incident notes: VU#778916.
More information:

It has been discovered that libpam-ldap, the Pluggable Authentication Module allowing LDAP interfaces, ignores the result of an attempt to authenticate against an LDAP server that does not set an optional data field.

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

For the stable distribution (sarge) this problem has been fixed in version 178-1sarge1.

For the unstable distribution (sid) this problem has been fixed in version 178-1sarge1.

We recommend that you upgrade your libpam-ldap package.

Fixed in:

Debian GNU/Linux 3.1 (sarge)

Source:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1.dsc
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1.diff.gz
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/libp/libpam-ldap/libpam-ldap_178-1sarge1_sparc.deb

MD5 checksums of the listed files are available in the original advisory.