Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Unified Communications Manager | >= 5.0, < 5.1\(3g\) |
| Cisco | Ios | >= 12.2, <= 12.4 |
| Cisco | Ios Xe | >= 2.5.0, <= 2.6.1 |
References
- http://osvdb.org/57453Broken Link
- http://secunia.com/advisories/36498Third Party Advisory
- http://secunia.com/advisories/36499Third Party Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.sPatchVendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4a30f.sVendor Advisory
- http://www.securityfocus.com/bid/36152Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1022775Third Party AdvisoryVDB Entry
- http://osvdb.org/57453Broken Link
- http://secunia.com/advisories/36498Third Party Advisory
- http://secunia.com/advisories/36499Third Party Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.sPatchVendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4a30f.sVendor Advisory
- http://www.securityfocus.com/bid/36152Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1022775Third Party AdvisoryVDB Entry
FAQ
What is CVE-2009-2051?
CVE-2009-2051 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 bef...
How severe is CVE-2009-2051?
CVE-2009-2051 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-2051?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Unified Communications Manager, Cisco Ios, Cisco Ios Xe.