CVE-2010-2835 Information

Description

Cisco IOS 12.2 through 12.4 and 15.0 through 15.1 Cisco IOS XE 2.5.x and 2.6.x before 2.6.1 and Cisco Unified Communications Manager (aka CUCM formerly CallManager) 6.x before 6.1(5) 7.0 before 7.0(2a)su3 7.1su before 7.1(3b)su2 7.1 before 7.1(5) and 8.0 before 8.0(1) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a SIP REFER request with an invalid Refer-To header aka Bug IDs CSCta20040 and CSCta31358.

Reference

http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4a30f.shtml http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4a313.shtml