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Cisco Web Security Appliance HTTP URL Denial of Service Vulnerability
Information
Severity
Severity
Medium
Family
Family
CISCO
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
6 years ago
Modified
Modified
4 years ago
Summary
A vulnerability in HTTP URL parsing of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) vulnerability due to the proxy process unexpectedly restarting.
Insight
Insight
The vulnerability is due to improper input validation of the HTTP URL string. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device.
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.