Sarg useragent() buffer overflow

sarg-useragent-bo (40970) The risk level is classified as HighHigh Risk

Description:

Sarg is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the useragent() function. By sending an overly long User-Agent header, a remote attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges or cause the application to crash.

Platforms Affected:

  • Gentoo, Linux
  • Mandriva, Linux 2007 X86_64
  • Mandriva, Linux 2007
  • Mandriva, Linux 2007.1
  • Mandriva, Linux 2007.1 X86_64
  • Mandriva, Linux 2008.0 X86_64
  • Mandriva, Linux 2008.0
  • Mandriva, Multi Network Firewall 2.0
  • Sarg, Sarg 2.2.3.1

Remedy:

Upgrade to the latest version of Sarg (2.2.4 or later), available from the SourceForge.net: Files Web site. See References.

Consequences:

Gain Access

References:

  • BugTraq Mailing List, Sun Mar 02 2008 - 16:10:30 CST, Squid Analysis Report Generator <= 2.2.3.1 buffer overflow at http://archives.neohapsis.com/archives/bugtraq/2008-03/0012.html.
  • SourceForge.net: Files, SARG - File Release Notes and Changelog - Release Name: sarg-2.2.4 at http://sourceforge.net/project/shownotes.php?release_id=581212.
  • BID-28077: SARG User-Agent Processing HTML Injection and Stack Buffer Overflow Vulnerabilities
  • CVE-2008-1167: Stack-based buffer overflow in the useragent function in useragent.c in Squid Analysis Report Generator (Sarg) 2.2.3.1 allows remote attackers to execute arbitrary code via a long Squid proxy server User-Agent header. NOTE: some of these details are obtained from third party information.
  • FrSIRT/ADV-2008-0749: Squid Analysis Report Generator User-Agent Code Execution Issues
  • GLSA-200803-21: Sarg: Remote execution of arbitrary code
  • MDVSA-2008:079: Updated sarg packages fix multiple vulnerabilities
  • SA28668: Sarg User-Agent Processing Multiple Vulnerabilities
  • SECTRACK ID: 1019536: Squid Analysis Report Generator Buffer Overflow in Processing HTTP User-Agent and Access Logs Lets Remote Users Execute Arbitrary Code
  • SUSE-SR:2008:006: SUSE Security Summary Report

Reported:

Mar 02, 2008

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