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Cisco PIX and ASA Time-To-Live Denial of Service Vulnerability Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA28625  
Release Date: 2008-01-24
Last Update: 2008-02-04

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

OS:Cisco Adaptive Security Appliance (ASA) 7.x
Cisco Adaptive Security Appliance (ASA) 8.x
Cisco PIX 7.x
Cisco PIX 8.x


CVE reference:CVE-2008-0028 (Secunia mirror)

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Description:
Cisco has acknowledged a vulnerability in Cisco PIX and ASA appliances, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an unspecified error in the processing of IP packets. This can be exploited to reload an affected device via specially crafted IP packets.

Successful exploitation requires that the Time-To-Live (TTL) decrement feature is enabled (disabled by default).

The vulnerability affects software versions 7.2(2) and later, prior to 7.2(3)006 or 8.0(3).

Solution:
Update to version 7.2(3)6, 8.0(3) or later (please see the vendor's advisory for details).

Provided and/or discovered by:
Reported by the vendor.

Changelog:
2008-02-04: Added CVE reference.

Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sa-20080123-asa.shtml



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

15 Related Secunia Security Advisories, displaying 10

1. Cisco ASA and PIX Security Appliances Multiple Vulnerabilities
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3. Cisco Adaptive Security Appliance Password Logging Weakness
4. Cisco Products Crypto Library Denial of Service
5. Cisco PIX and ASA Denial of Service and Security Bypass
6. Cisco PIX and ASA Privilege Escalation and Denial of Service
7. Cisco Firewall Products Unintentional Password Modification
8. Cisco WebVPN Cross-Site Scripting Vulnerability
9. Cisco PIX/ASA/FWSM WebSense URL Filtering Bypass
10. Cisco Secure Access Control Server Downloadable IP Access Control List Vulnerability

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