Cisco Unified Communications Manager CTI Manager denial of service
| cucm-ctimanager-dos (43349) |  Medium Risk |
Description:
Cisco Unified Communications Manager (CUCM) is vulnerable to a denial of service, caused by improper handling of packets by the CTI Manager service. By sending specially-crafted packets to TCP port 2748, a remote attacker could exploit this vulnerability to cause an interruption in voice services, resulting in a denial of service.
*CVSS:
| Base Score: | 7.8 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Complete |
| Temporal Score: | 5.8 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Refer to cisco-sa-20080625-cucm for patch, upgrade or suggested workaround information. See References.
References:
- cisco-sa-20080625-cucm: Cisco Unified Communications Manager Denial of Service and Authentication Bypass Vulnerabilities.
- VoIP Security Advisory, 2008-06-25: Unified Communications Manager CTIManager DoS.
- VoIP Security Advisory, 2008-06-25: Unified Communications Manager CTIManager DoS.
- BID-29933: Cisco Unified Communications Manager CTI Service Denial of Service Vulnerability
- CVE-2008-2061: The Computer Telephony Integration (CTI) Manager service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3c) and 6.x before 6.1(2) allows remote attackers to cause a denial of service (TSP crash) via malformed network traffic to TCP port 2748.
- SA30848: Cisco Unified Communications Manager Authentication Bypass and Denial of Service
- SECTRACK ID: 1020360: Cisco Unified Communications Manager CTI Manager Service Lets Remote Users Deny Service
- VUPEN/ADV-2008-1933: Cisco UCM Denial of Service and Authentication Bypass Vulnerabilities
Platforms Affected:
- 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
- Cisco Unified Communications Manager 6.1(1)
- Cisco Unified Communications Manager 6.1(1a)
Reported:
Jun 25, 2008
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For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.