Cisco Unity Server anonymous authentication bypass
| unityserver-anonymous-authentication-bypass (45741) |  Medium Risk |
Description:
Cisco Unity Server could allow a remote attacker to bypass security restrictions. If the server is configured for anonymous authentication, a remote attacker could exploit this vulnerability to bypass the authentication process and view or change certain configuration parameters.
*CVSS:
| Base Score: | 5.8 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 4.3 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Refer to cisco-sa-20081008-unity for patch, upgrade or suggested workaround information. See References.
References:
- cisco-sa-20081008-unity: Cisco Security Advisory: Authentication Bypass in Cisco Unity.
- VoIP Security Advisory, 2008-10-08: Cisco Unity Authentication Bypass.
- BID-31638: Cisco Unity Remote Administration Authentication Bypass Vulnerability
- BID-31642: Cisco Unity 7.0 Multiple Remote Vulnerabilities
- CVE-2008-3814: Unspecified vulnerability in Cisco Unity 4.x before 4.2(1)ES161, 5.x before 5.0(1)ES53, and 7.x before 7.0(2)ES8, when using anonymous authentication (aka native Unity authentication), allows remote attackers to bypass authentication and read or modify system configuration parameters by going to a specific link more than once.
- SA32187: Cisco Unity Multiple Vulnerabilities
- SECTRACK ID: 1021011: Cisco Unity Authentication Bypass Bug Lets Remote Users View and Modify the Configuration
- VUPEN/ADV-2008-2771: Cisco Unity Security Bypass and Denial of Service Vulnerabilities
Platforms Affected:
- Cisco Unity Server 4.0
- Cisco Unity Server 4.2(1)
- Cisco Unity Server 5.0
- Cisco Unity Server 5.0(1)
- Cisco Unity Server 7.0
- Cisco Unity Server 7.0(2)
Reported:
Oct 08, 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.