Cisco Unified Communications Manager and Cisco Unified CallManager SIP INVITE denial of service
| cucm-sip-invite-dos (37246) |  Low Risk |
Description:
Cisco Unified Communications Manager and Cisco Unified CallManager are vulnerable to a denial of service, caused by an error in the Session Initiation Protocol (SIP) stack. By flooding UDP port 5060 with SIP INVITE messages, a remote attacker could exhaust all resources and cause a kernel panic.
Platforms Affected:
- Cisco, Unified CallManager 5.0
- Cisco, Unified Communications Manager 5.1
- Cisco, Unified Communications Manager 5.1(1)
- Cisco, Unified Communications Manager 5.1(2)
Remedy:
Refer to cisco-sa-20071017-cucm for patch, upgrade or suggested workaround information. See References.
Consequences:
Denial of Service
References:
- cisco-sa-20071017-cucm, Cisco Unified Communications Manager Denial of Service Vulnerabilities at http://www.cisco.com/warp/public/707/cisco-sa-20071017-cucm.shtml.
- BID-26105: Cisco Unified Communications Manager Remote Denial of Service and Buffer Overflow Vulnerabilities
- CVE-2007-5537: Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.
- FrSIRT/ADV-2007-3532: Cisco Unified Communications Manager Code Execution and DoS Issues
- SA27296: Cisco Unified Communications Manager Two Vulnerabilities
- SECTRACK ID: 1018828: Cisco Unified Communications Manager SIP INVITE Processing Lets Remote Users Deny Service and TFTP Buffer Overflow Lets Remote Users Execute Arbitrary Code
Reported:
Oct 17, 2007
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