Cisco Secure ACS CSRadius Access-Request denial of service
| cisco-acs-csadmin-dos (31334) |  Medium Risk |
Description:
Cisco Secure Access Control Server (ACS) is vulnerable to a denial of service in the CSRaduis service. By sending a specially-crafted RADIUS Access-Request packet, a remote attacker could cause the CSAdmin service to crash.
*CVSS:
| Base Score: | 3.5 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 2.6 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Refer to cisco-sa-20070105-csacs for upgrade or suggested workaround information. See References.
References:
- cisco-sa-20070105-csacs: Cisco Security Advisory: Multiple Vulnerabilities in Cisco Secure Access Control Server.
- BID-21900: Cisco Secure Access Control Server Multiple Remote Vulnerabilities
- CVE-2006-4097: Multiple unspecified vulnerabilities in the CSRadius service in Cisco Secure Access Control Server (ACS) for Windows before 4.1 and ACS Solution Engine before 4.1 allow remote attackers to cause a denial of service (crash) via a crafted RADIUS Access-Request packet. NOTE: it has been reported that at least one issue is a heap-based buffer overflow involving the Tunnel-Password attribute.
- SA23629: Cisco Secure ACS Multiple Vulnerabilities
- SECTRACK ID: 1017475: Cisco Secure Access Control Server CSAdmin and CSRadius Stack Overflows Let Remote Users Execute Arbitrary Code
- US-CERT VU#443108: Cisco Secure Access Control Server fails to properly handle specially crafted Access-Request messages
- VUPEN/ADV-2007-0068: Cisco Secure ACS Multiple Remote Buffer Overflow and Denial of Service Vulnerabilities
Platforms Affected:
- Cisco Secure Access Control Server for Windows 4.1
- Cisco Secure Access Control Server Solution Engine 4.0
Reported:
Jan 05, 2007
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* 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.