Cisco Firewall Services Module IKE and Auth-Proxy Bugs Let Remote Users Deny Service
SecurityTracker Alert ID: 1028416|
SecurityTracker URL: http://securitytracker.com/id/1028416
(Links to External Site)
Date: Apr 10 2013
Denial of service via network|
Fix Available: Yes Vendor Confirmed: Yes |
Version(s): 3.1, 3.2, 4.0, 4.1|
Two vulnerabilities were reported in Cisco Firewall Services Module. A remote user can cause denial of service conditions.|
A remote user can send a specially crafted IKEv1 message to the target system to cause the target device to reload [CVE-2013-1149].
Cisco has assigned Cisco bug ID CSCud20267 to this vulnerability.
A remote user can send a specially crafted URL to trigger a flaw in the auth-proxy feature and cause the target device to reload [CVE-2013-1155].
Cisco has assigned Cisco bug ID CSCtg02624 to this vulnerability.
The Cisco Firewall Services Module (FWSM) Software for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers are affected.
A remote user can cause the target device to reload.|
The vendor has issued a fix (3.2(24.1), 4.1(11.1)).|
The vendor's advisory is available at:
Vendor URL: tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130410-fwsm (Links to External Site)
Exception handling error, Input validation error, State error|
Source Message Contents
Subject: Cisco Security Advisory: Multiple Vulnerabilities in Cisco Firewall Services Module Software|
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Cisco Security Advisory: Multiple Vulnerabilities in Cisco Firewall
Services Module Software
Advisory ID: cisco-sa-20130410-fwsm
For Public Release 2013 April 10 16:00 UTC (GMT)
Cisco Firewall Services Module (FWSM) Software for Cisco Catalyst
6500 Series Switches and Cisco 7600 Series Routers is affected by the
FWSM HTTP Proxy Traceback Vulnerability
IKE Version 1 Denial of Service Vulnerability
These vulnerabilities are independent of each other; a release that is
affected by one of the vulnerabilities may not be affected by the other.
Successful exploitation of either of these vulnerabilities may result
in a reload of an affected device, leading to a denial of service (DoS)
Cisco has released free software updates that address these
vulnerabilities. A workaround is available for the IKE vulnerability.
This advisory is available at the following link:
Note: The Cisco Adaptive Security Appliance (ASA) may be affected
by some of the vulnerabilities listed above. A separate Cisco
Security Advisory has been published to disclose the vulnerabilities
that affect the Cisco ASA. That advisory is available at:
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