Cisco Firewall Services Module Authentication Proxy Remote Denial of Service Vulnerability

BID:49955

Info

Cisco Firewall Services Module Authentication Proxy Remote Denial of Service Vulnerability

Bugtraq ID: 49955
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2011-3297
Remote: Yes
Local: No
Published: Oct 05 2011 12:00AM
Updated: Mar 19 2015 08:20AM
Credit: Cisco
Vulnerable: Cisco Firewall Services Module (FWSM) 4.1(7)
Cisco Firewall Services Module (FWSM) 4.1(5)
Cisco Firewall Services Module (FWSM) 4.1(1.2)
Cisco Firewall Services Module (FWSM) 4.1(1.1)
Cisco Firewall Services Module (FWSM) 4.1
Cisco Firewall Services Module (FWSM) 4.0(16)
Cisco Firewall Services Module (FWSM) 4.0(15)
Cisco Firewall Services Module (FWSM) 4.0(11.1)
Cisco Firewall Services Module (FWSM) 4.0(10.1)
Cisco Firewall Services Module (FWSM) 4.0 (8)
Cisco Firewall Services Module (FWSM) 4.0 (6)
Cisco Firewall Services Module (FWSM) 4.0
Cisco Firewall Services Module (FWSM) 3.2(3)
Cisco Firewall Services Module (FWSM) 3.2(22)
Cisco Firewall Services Module (FWSM) 3.2(20)
Cisco Firewall Services Module (FWSM) 3.2(2)
Cisco Firewall Services Module (FWSM) 3.2(17.2)
Cisco Firewall Services Module (FWSM) 3.2(16.1)
Cisco Firewall Services Module (FWSM) 3.2(13)
Cisco Firewall Services Module (FWSM) 3.2 (2)
Cisco Firewall Services Module (FWSM) 3.2
Cisco Firewall Services Module (FWSM) 3.1(6)
Cisco Firewall Services Module (FWSM) 3.1(4)
Cisco Firewall Services Module (FWSM) 3.1(3.24)
Cisco Firewall Services Module (FWSM) 3.1(21)
Cisco Firewall Services Module (FWSM) 3.1(20)
Cisco Firewall Services Module (FWSM) 3.1(17.2)
Cisco Firewall Services Module (FWSM) 3.1(16)
Cisco Firewall Services Module (FWSM) 3.1(1.9)
Cisco Firewall Services Module (FWSM) 3.1(1.7)
Cisco Firewall Services Module (FWSM) 3.1 (3.3)
Cisco Firewall Services Module (FWSM) 3.1 (3.2)
Cisco Firewall Services Module (FWSM) 3.1 (3.18)
Cisco Firewall Services Module (FWSM) 3.1 (3.11)
Cisco Firewall Services Module (FWSM) 3.1 (3.1)
Cisco Firewall Services Module (FWSM) 3.1
Not Vulnerable: Cisco Firewall Service Module (FWSM) 4.1(7)
Cisco Firewall Service Module (FWSM) 4.0(16)
Cisco Firewall Service Module (FWSM) 3.2(22)
Cisco Firewall Service Module (FWSM) 3.1(21)

Discussion

Cisco Firewall Services Module Authentication Proxy Remote Denial of Service Vulnerability

Cisco Firewall Services Module (FWSM) for the Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers is prone to a denial-of-service vulnerability that affects the authentication proxy.

An attacker can exploit this issue to cause the affected devices to reload, triggering a denial-of-service condition.

This issue is tracked by Cisco Bug ID CSCtn15697.

Exploit / POC

Cisco Firewall Services Module Authentication Proxy Remote Denial of Service Vulnerability

Attackers can use readily available tools to exploit this issue.

Solution / Fix

Cisco Firewall Services Module Authentication Proxy Remote Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for details.

References

Cisco Firewall Services Module Authentication Proxy Remote Denial of Service Vulnerability

References:

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