Centericq zero length packet denial of service

centericq-zero-length-dos (23327) The risk level is classified as MediumMedium Risk

Description:

Centericq, with the "Enable peer-to-peer communications" setting enabled, is vulnerable to a denial of service attack. If a remote attacker sends zero length packets to the Centericq listening port, the attacker could cause the victim's Centericq client to crash.


Consequences:

Denial of Service

Remedy:

For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest centericq package (4.5.1-1.1woody1 or later), as listed in DSA-912-1. See References.

For Debian GNU/Linux 3.1 (sarge):
Upgrade to the latest centericq package (4.20.0-1sarge3 or later), as listed in DSA-912-1. See References.

For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2005-12-11 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for patch or upgrade information.

References:

  • Centericq Web site: thekonst.net :: program information :: centericq.
  • BID-15649: CenterICQ Malformed Packet Handling Remote Denial of Service Vulnerability
  • CVE-2005-3694: centericq 4.20.0-r3 with Enable peer-to-peer communications set allows remote attackers to cause a denial of service (segmentation fault and crash) via short zero-length packets, and possibly packets of length 1 or 2, as demonstrated using Nessus.
  • DSA-912: centericq -- denial of service
  • GLSA-200512-11: CenterICQ: Multiple vulnerabilities
  • OSVDB ID: 21270: Centericq Zero Length Packet Remote DoS
  • SA17798: Centericq Empty Packet Handling Weakness and Buffer Overflows

Platforms Affected:

  • Debian Debian Linux 3.0
  • Debian Debian Linux 3.1
  • Gentoo Linux
  • konst Centericq 4.20.0-r3

Reported:

Nov 30, 2005

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

Return to the main page