Cisco ASA Crypto Accelerator denial of service
| cisco-asa-cryptoaccelerator-dos (46027) |  Medium Risk |
Description:
The Cisco ASA device is vulnerable to a denial of service caused by a memory leak in the initialization code for the Crypto Accelerator. By sending specially-crafted packets to the device, a remote attacker could exploit this vulnerability to consume all available memory resources.
*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:
No remedy available as of March 21, 2009.
References:
- cisco-sa-20081022-asa: Cisco Security Advisory: Multiple Vulnerabilities in Cisco PIX and Cisco ASA.
- BID-31865: Cisco ASA Appliance Crypto Accelerator Memory Leak Denial of Service Vulnerability
- CVE-2008-3817: Memory leak in Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 8.0 before 8.0(4) and 8.1 before 8.1(2) allows remote attackers to cause a denial of service (memory consumption) via an unspecified sequence of packets, related to the initialization code for the hardware crypto accelerator.
- SA32392: Cisco ASA Crypto Accelerator Memory Leak
- SECTRACK ID: 1021088: Cisco ASA Bug in Hardware Crypto Accelerator Support Lets Remote Users Deny Service
- VUPEN/ADV-2008-2899: Cisco PIX and ASA Security Bypass and Denial of Service Vulnerabilities
Platforms Affected:
- Cisco Adaptive Security Appliance 8.0
- Cisco Adaptive Security Appliance 8.1
Reported:
Oct 22, 2008
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
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.