ssmtp die and log_event functions format string
| ssmtp-die-logevent-format-string (15872) |  High Risk |
Description:
ssmtp is vulnerable to a format string attack. A remote attacker could supply a specially-crafted format string to the die or log_event function to execute arbitrary code on the system with elevated privileges, possibly root.
Platforms Affected:
- Debian, Debian Linux 3.0
- Gentoo, Linux
- OpenPKG, OpenPKG 1.3
- OpenPKG, OpenPKG 2.0
- OpenPKG, OpenPKG CURRENT
- ssmtp, ssmtp prior to 2.50.6.1
Remedy:
For Debian GNU/Linux 3.0 (woody): Upgrade to the latest ssmtp package (2.50.6.1 or later), as listed in DSA-485-1. See References.
For Gentoo Linux:
Upgrade to the latest version of ssmtp (2.60.72 or later), as listed in GLSA 200404-18. See References.
For OpenPKG:
Refer to OpenPKG Security Advisory OpenPKG-SA-2004.020 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Gain Access
References:
- GLSA 200404-18, Multiple Vulnerabilities in ssmtp at http://www.linuxsecurity.com/content/view/105987/104/.
- BID-10150: SSMTP Mail Transfer Agent Multiple Format String Vulnerabilities
- CVE-2004-0156: Format string vulnerabilities in the (1) die or (2) log_event functions for ssmtp before 2.50.6 allow remote mail relays to cause a denial of service and possibly execute arbitrary code.
- DSA-485: ssmtp -- format string
- GLSA-200404-18: Multiple Vulnerabilities in ssmtp
- OpenPKG-SA-2004.020: SSMTP
- OSVDB ID: 5360: sSMTP die Format String
- OSVDB ID: 5361: sSMTP log_event Format String
- SA11378: sSMTP Format String Vulnerabilities
- SECTRACK ID: 1009788: sSMTP Format String Flaws Let Remote Servers Execute Arbitrary Code
Reported:
Apr 14, 2004
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