Cisco Firewall Services Module HTTP denial of service
| cisco-fwsm-http-dos (32497) |  Low Risk |
Description:
Cisco Firewall Services Module (FWSM) is vulnerable to a denial of service caused by improper handling of malformed HTTP requests. If enhanced HTTP inspection is enabled, a remote attacker could send malformed HTTP requests to cause the device to reload.
Note: Enhanced HTTP inspection is disabled by default.
*CVSS:
| Base Score: | 4 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Complete |
| Temporal Score: | 3 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Refer to cisco-sa-20070214-fwsm for patch, upgrade, or suggested workaround information. See References.
References:
- cisco-sa-20070214-fwsm: Cisco Security Advisory: Multiple Vulnerabilities in Firewall Services Module.
- BID-22561: Cisco Multiple Products Multiple Remote Denial Of Service Vulnerabilities
- BID-22562: Cisco PIX/ASA Privilege Escalation Vulnerability
- CVE-2007-0962: Cisco PIX 500 and ASA 5500 Series Security Appliances 7.0 before 7.0(4.14) and 7.1 before 7.1(2.1), and the FWSM 2.x before 2.3(4.12) and 3.x before 3.1(3.24), when inspect http is enabled, allows remote attackers to cause a denial of service (device reboot) via malformed HTTP traffic.
- SA24160: Cisco PIX and ASA Privilege Escalation and Denial of Service
- SA24180: Cisco Firewall Services Module SIP DoS and ACL Corruption
- SECTRACK ID: 1017651: Cisco ASA Lets Remote Users Deny Service and Remote Authenticated Users Gain Elevated Privileges
- SECTRACK ID: 1017652: Cisco PIX Firewall Lets Remote Users Deny Service and Remote Authenticated Users Gain Elevated Privileges
- VUPEN/ADV-2007-0608: Cisco PIX and ASA Multiple Denial of Service and Privilege Escalation Vulnerabilities
Platforms Affected:
- Cisco ASA 5500 7.0
- Cisco ASA 5500 7.1
- Cisco Firewall Services Module 2.3
- Cisco Firewall Services Module 3.1
- Cisco PIX 500 7.0
- Cisco PIX 500 7.1
Reported:
Feb 14, 2007
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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.