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Cisco PIX and ASA Time-To-Live Denial of Service Vulnerability
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Secunia Advisory:
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SA28625
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Release Date:
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2008-01-24
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Last Update:
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2008-02-04
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| OS: | Cisco Adaptive Security Appliance (ASA) 7.x
Cisco Adaptive Security Appliance (ASA) 8.x
Cisco PIX 7.x
Cisco PIX 8.x
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| | 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
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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.
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