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Cisco ASA DNS Inspection Engine DoS Vulnerability
Information
Severity
Severity
High
Family
Family
CISCO
CVSSv2 Base
CVSSv2 Base
7.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
9 years ago
Modified
Modified
5 years ago
Summary
The DNS Inspection Engine of Cisco ASA is prone to a Denial of Service vulnerability.
Insight
Insight
A vulnerability in the DNS inspection engine of Cisco ASA Software could allow an unauthenticated, remote attacker to cause the reload of an affected system. The vulnerability is due to insufficient validation of crafted DNS packets. An attacker could exploit this vulnerability by sending crafted DNS packets through the affected system.
Affected Software
Affected Software
Version 9.0, 9.1 and 9.2
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Apply the appropriate updates from Cisco.