CVE-2009-2051

Cisco Unified CM <5.1(3g), IOS 12.2-12.4, IOS XE 2.5.0-2.6.0 DoS via Malformed SIP INVITE

Title source: llm
STIX 2.1

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) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987.

References (7)

Core 7
Core References
Broken Link vdb-entry x_refsource_osvdb
http://osvdb.org/57453
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/36499
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/36152
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/36498
Patch, Vendor Advisory vendor-advisory x_refsource_cisco
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1022775

Scores

EPSS 0.0344
EPSS Percentile 87.7%

Details

Status published
Products (3)
cisco/ios 12.2 - 12.4
cisco/ios_xe 2.5.0 - 2.6.1
cisco/unified_communications_manager 5.0 - 5.1\(3g\)
Published Aug 27, 2009
Tracked Since Feb 18, 2026