Nagios Content-Length integer overflow

nagios-contentlength-overflow (26454) The risk level is classified as HighHigh Risk

Description:

Nagios is vulnerable to an integer overflow, caused by improper bounds checking by the Content-Length HTTP header. By sending a HTTP request containing a specially-crafted value in the Content-Length header, a remote attacker could cause an integer overflow and execute arbitrary code on the system or cause the system to crash.


Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Nagios (1.4.1 or later) or (2.3.1 or later), available from the Nagios Web site. See References.

References:

  • Nagios Web site: Nagios: Changelog.
  • BID-18059: Nagios Remote Content-Length Integer Overflow Vulnerability
  • CVE-2006-2489: Integer overflow in CGI scripts in Nagios 1.x before 1.4.1 and 2.x before 2.3.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a content length (Content-Length) HTTP header. NOTE: this is a different vulnerability than CVE-2006-2162.
  • DSA-1072: nagios -- buffer overflow
  • GLSA-200605-07: Nagios: Buffer overflow
  • SA20123: Nagios Content-Length Integer Overflow Vulnerability
  • USN-287-1: nagios vulnerability

Platforms Affected:

  • Canonical Ubuntu 5.04
  • Canonical Ubuntu 5.10
  • Debian Debian Linux 3.1
  • Gentoo Linux
  • Nagios Nagios prior to 1.4.1
  • Nagios Nagios prior to 2.3.1

Reported:

May 15, 2006

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