Debian Security Advisory

DSA-485-1 ssmtp -- format string

Date Reported:
14 Apr 2004
Affected Packages:
ssmtp
Vulnerable:
Yes
Security database references:
In the Bugtraq database (at SecurityFocus): BugTraq ID 10150.
In Mitre's CVE dictionary: CVE-2004-0156.
More information:

Max Vozeler discovered two format string vulnerabilities in ssmtp, a simple mail transport agent. Untrusted values in the functions die() and log_event() were passed to printf-like functions as format strings. These vulnerabilities could potentially be exploited by a remote mail relay to gain the privileges of the ssmtp process (including potentially root).

For the current stable distribution (woody) this problem will be fixed in version 2.50.6.1.

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

We recommend that you update your ssmtp package.

Fixed in:

Debian GNU/Linux 3.0 (woody)

Source:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1.dsc
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/s/ssmtp/ssmtp_2.50.6.1_sparc.deb

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