DSA-1106-1 ppp -- programming error

Related Vulnerabilities: CVE-2006-2194  

Marcus Meissner discovered that the winbind plugin in pppd does not check whether a setuid() call has been successful when trying to drop privileges, which may fail with some PAM configurations. The old stable distribution (woody) is not affected by this problem. For the stable distribution (sarge) this problem has been fixed in version 2.4.3-20050321+2sarge1. For the unstable distribution (sid) this problem has been fixed in version 2.4.4rel-1. We recommend that you upgrade your ppp package.

Debian Security Advisory

DSA-1106-1 ppp -- programming error

Date Reported:
10 Jul 2006
Affected Packages:
ppp
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2006-2194.
More information:

Marcus Meissner discovered that the winbind plugin in pppd does not check whether a setuid() call has been successful when trying to drop privileges, which may fail with some PAM configurations.

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

For the stable distribution (sarge) this problem has been fixed in version 2.4.3-20050321+2sarge1.

For the unstable distribution (sid) this problem has been fixed in version 2.4.4rel-1.

We recommend that you upgrade your ppp package.

Fixed in:

Debian GNU/Linux 3.1 (sarge)

Source:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1.dsc
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1.diff.gz
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3.orig.tar.gz
Architecture-independent component:
http://security.debian.org/pool/updates/main/p/ppp/ppp-dev_2.4.3-20050321+2sarge1_all.deb
Alpha:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/p/ppp/ppp_2.4.3-20050321+2sarge1_sparc.deb

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