Debian Security Advisory

DSA-1722-1 libpam-heimdal -- programming error

Date Reported:
11 Feb 2009
Affected Packages:
libpam-heimdal
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2009-0361.
More information:

Derek Chan discovered that the PAM module for the Heimdal Kerberos implementation allows reinitialisation of user credentials when run from a setuid context, resulting in potential local denial of service by overwriting the credential cache file or to local privilege escalation.

For the stable distribution (etch), this problem has been fixed in version 2.5-1etch1.

For the upcoming stable distribution (lenny), this problem has been fixed in version 3.10-2.1.

For the unstable distribution (sid), this problem will be fixed soon.

We recommend that you upgrade your libpam-heimdal package.

Fixed in:

Debian GNU/Linux 4.0 (etch)

Source:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1.dsc
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1.diff.gz
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5.orig.tar.gz
AMD64:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_arm.deb
HP Precision:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_hppa.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_ia64.deb
Big-endian MIPS:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_mips.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/libp/libpam-heimdal/libpam-heimdal_2.5-1etch1_sparc.deb

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