Cisco Firewall Services Module HTTPS server denial of service

cisco-fwsm-https-server-dos (32513)

Low Risk

Description:

Cisco Firewall Services Module (FWSM) is vulnerable to a denial of service caused by improper handling of malformed HTTPS requests by the HTTPS server. If the HTTPS server is enabled, a remote attacker could send specially-crafted HTTPS traffic to cause the device to reload.

Note: The HTTPS server 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
• CVE-2007-0966: Cisco Firewall Services Module (FWSM) 3.x before 3.1(3.11), when the HTTPS server is enabled, allows remote attackers to cause a denial of service (device reboot) via certain HTTPS traffic.
• SA24172: Cisco Firewall Services Module Multiple Vulnerabilities
• VUPEN/ADV-2007-0609: Cisco Firewall Services Module Denial of Service and ACL Corruption Vulnerabilities

Platforms Affected:

• Cisco Firewall Services Module 3.1

Reported:

Feb 14, 2007

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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.

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