Cisco Unified Communications Manager SIP INVITE URL denial of service
| cucm-sip-url-dos (42419) |  Low Risk |
Description:
Cisco Unified Communications Manager is vulnerable to a denial of service, caused by the improper handling of SIP URL input. By sending a specially-crafted SIP INVITE message, a remote attacker could exploit this vulnerability to cause the service to become unresponsive and eventually restart.
Platforms Affected:
- Cisco, Unified Communications Manager 4.1
- Cisco, Unified Communications Manager 4.2
- Cisco, Unified Communications Manager 4.3
- Cisco, Unified Communications Manager 5.0
- Cisco, Unified Communications Manager 5.1
- Cisco, Unified Communications Manager 5.1(1)
- Cisco, Unified Communications Manager 5.1(2)
- Cisco, Unified Communications Manager 5.1(2b)
- Cisco, Unified Communications Manager 6.0
- Cisco, Unified Communications Manager 6.0(1a)
- Cisco, Unified Communications Manager 6.1(1a)
Remedy:
Refer to cisco-sa-20080514-cucmdos for patch, upgrade or suggested workaround information. See References.
Consequences:
Denial of Service
References:
- cisco-sa-20080514-cucmdos, Cisco Unified Communications Manager Denial of Service Vulnerabilities at http://www.cisco.com/warp/public/707/cisco-sa-20080514-cucmdos.shtml.
- BID-29221: Cisco Unified Communications Manager Multiple Denial of Service Vulnerabilities
- CVE-2008-1748: Cisco Unified Communications Manager 4.1 before 4.1(3)SR7, 4.2 before 4.2(3)SR4, 4.3 before 4.3(2), 5.x before 5.1(3), and 6.x before 6.1(1) does not properly validate SIP URLs, which allows remote attackers to cause a denial of service (service interruption) via a SIP INVITE message, aka Bug ID CSCsl22355.
- FrSIRT/ADV-2008-1533: Cisco Unified Communications Manager Denial of Service Vulnerabilities
- SA30238: Cisco Unified Communications Manager Multiple Denial of Service
- SECTRACK ID: 1020022: Cisco Unified Communications Manager Bugs in CTL CAPF, SIP, and SNMP Services Let Remote Users Deny Service
Reported:
May 14, 2008
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