Cisco Security Advisory
Cisco ASA Management Interface XML Parser Denial of Service Vulnerability
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AV:N/AC:L/Au:S/C:N/I:N/A:C/E:F/RL:OF/RC:C
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A vulnerability in the XML parser of the management interface in Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to cause system instability and possibly crash an affected system.
The vulnerability is due to insufficient hardening of the XML parser code. An attacker could exploit this vulnerability by triggering the affected component to perform a read operation of a crafted XML file.
Cisco has released software updates that address this vulnerability. There are no workarounds that mitigate this vulnerability.
This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151123-asa
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There are no workarounds that mitigate this vulnerability.
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When considering software upgrades, customers are advised to consult the Cisco Security Advisories and Responses archive at http://www.cisco.com/go/psirt and review subsequent advisories to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to upgrade contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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This vulnerability was found during Cisco internal testing.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.1 Updated the affected releases. Affected Products - Vulnerable Products Final 2016-January-05 1.0 Initial public release. - Final 2015-November-24
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