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

7 years ago

Modified

Modified

3 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.

Common Vulnerabilities and Exposures (CVE)

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