Cisco IOS H.323 Denial of Service Vulnerability

Bugtraq ID:	36494
Class:	Design Error
CVE:	CVE-2009-2866
Remote:	Yes
Local:	No
Published:	Sep 23 2009 12:00AM
Updated:	Sep 23 2009 05:20PM
Credit:	Cisco
Vulnerable:	Cisco IOS 12.4YB Cisco IOS 12.4YA Cisco IOS 12.4XZ Cisco IOS 12.4XY Cisco IOS 12.4XW Cisco IOS 12.4XV Cisco IOS 12.4XT Cisco IOS 12.4XP Cisco IOS 12.4XM Cisco IOS 12.4XL Cisco IOS 12.4XJ Cisco IOS 12.4XE Cisco IOS 12.4XD Cisco IOS 12.4XC Cisco IOS 12.4XB Cisco IOS 12.4XA Cisco IOS 12.4T Cisco IOS 12.4MR Cisco IOS 12.4 Cisco IOS 12.3ZA Cisco IOS 12.3YZ Cisco IOS 12.3YX Cisco IOS 12.3YU Cisco IOS 12.3YT Cisco IOS 12.3YS Cisco IOS 12.3YQ Cisco IOS 12.3YM Cisco IOS 12.3YK Cisco IOS 12.3YG Cisco IOS 12.3YF Cisco IOS 12.3XZ Cisco IOS 12.3XY Cisco IOS 12.3XX Cisco IOS 12.3XW Cisco IOS 12.3XU Cisco IOS 12.3XR Cisco IOS 12.3XQ Cisco IOS 12.3XL Cisco IOS 12.3XK Cisco IOS 12.3XJ Cisco IOS 12.3XI Cisco IOS 12.3XG Cisco IOS 12.3XF Cisco IOS 12.3XE Cisco IOS 12.3XD Cisco IOS 12.3XC Cisco IOS 12.3XB Cisco IOS 12.3XA Cisco IOS 12.3VA Cisco IOS 12.3TPC Cisco IOS 12.3T Cisco IOS 12.3JK Cisco IOS 12.3B Cisco IOS 12.3 Cisco IOS 12.2ZP Cisco IOS 12.2ZL Cisco IOS 12.2ZJ Cisco IOS 12.2ZH Cisco IOS 12.2ZF Cisco IOS 12.2ZE Cisco IOS 12.2ZD Cisco IOS 12.2ZC Cisco IOS 12.2YV Cisco IOS 12.2YU Cisco IOS 12.2YT Cisco IOS 12.2YN Cisco IOS 12.2YM Cisco IOS 12.2YL Cisco IOS 12.2YJ Cisco IOS 12.2YH Cisco IOS 12.2T Cisco IOS 12.2MC Cisco IOS 12.2CZ Cisco IOS 12.2BX Cisco IOS 12.2B
Not Vulnerable:	Cisco IOS 12.4XR Cisco IOS 12.4XN Cisco IOS 12.4(25b) Cisco IOS 12.4(24)T1 Cisco IOS 12.4(24)T Cisco IOS 12.4(23b) Cisco IOS 12.4(22)YB4 Cisco IOS 12.4(22)T2 Cisco IOS 12.4(22)T1 Cisco IOS 12.4(20)T4 Cisco IOS 12.4(20)T2 Cisco IOS 12.4(19)MR3 Cisco IOS 12.4(15)XM Cisco IOS 12.4(15)T10 Cisco IOS 12.3(8)XU1 Cisco IOS 12.3(8)JK1 Cisco IOS 12.3(7)XI11 Cisco IOS 12.3(4)TPC11a Cisco IOS 12.3(2)XA7 Cisco IOS 12.3(2)JK3 Cisco IOS 12.3(11)YS1 Cisco IOS 12.3(11)YK3 Cisco IOS 12.2SB Cisco IOS 12.2(8)T10 Cisco IOS 12.2(4)B8 Cisco IOS 12.2(15)MC2b Cisco IOS 12.2(15)MC1 Cisco IOS 12.2(15)BX Cisco IOS 12.2(11)YV1

Cisco IOS H.323 Denial of Service Vulnerability

Cisco IOS is prone to a remote denial-of-service vulnerability.

An attacker can exploit this issue to cause the affected device to reload, denying service to legitimate users.

This issue is being tracked by Cisco Bug ID CSCsz38104.

Cisco IOS H.323 Denial of Service Vulnerability

To exploit this issue, attackers can use readily available network utilities.

Cisco IOS H.323 Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for details.

Cisco IOS H.323 Denial of Service Vulnerability

References:

• Cisco Homepage (Cisco )
  
• Cisco Security Advisory: Cisco IOS Software H.323 Denial of Service Vulnerabilit (Cisco Systems Product Security Incident Response Team )
  
• Cisco Security Advisory: Cisco IOS Software H.323 Denial of Service Vulnerabilit (Cisco)