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AUSCERT External Security Bulletin Redistribution
Cisco ISM Malformed Authentication Header Packet Denial of
27 May 2013
AusCERT Security Bulletin Summary
Product: Cisco ISM
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Denial of Service -- Existing Account
CVE Names: CVE-2013-1241
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Cisco Security Notice
Cisco ISM Malformed Authentication Header Packet Denial of Service
CVE ID: CVE-2013-1241
Release Date: 2013 May 6 06:57 UTC (GMT)
Last Updated: 2013 May 7 17:34 UTC (GMT)
A vulnerability in authentication header packets processing on the Cisco ISM
module for ISR G2 could allow an authenticated, remote attacker to cause a
reload of the affected module.
The vulnerability is due to improper processing of malformed authentication
header packets. An attacker could exploit this vulnerability by sending a
stream of malformed authentication header packets over an established IPSec
security association. An exploit could allow the attacker to cause a reload of
the affected module resulting in a Denial of Service (DoS) condition for IPSec
Product More Information CVSS
IOS CSCub92025 6.3/5.2
What Is a Cisco Security Notice?
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