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Cisco Web Security Appliance JAR Advanced Malware Protection DoS Vulnerability
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
A vulnerability in Advanced Malware Protection (AMP) for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to cause a partial denial of service (DoS) condition due to the AMP process unexpectedly restarting. The vulnerability is due to improper validation of a Java Archive (JAR) file scanned when AMP is configured. An attacker could exploit this vulnerability by crafting a JAR file, and attaching this JAR file to an email that is then sent through the affected device. An exploit could allow the attacker to cause the Cisco ESA and WSA AMP process to unexpectedly restart due to the malformed JAR file. Cisco has released software updates that address this vulnerability. Workarounds that address this vulnerability are not available.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
See the referenced vendor advisory for a solution.