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Cisco IOS Software RADIUS Client Denial of Service 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 the RADIUS client feature of Cisco IOS Software could allow an authenticated, remote attacker to cause a reload of the affected device. The vulnerability is due to improper parsing of malformed RADIUS packets returned by a RADIUS server. An attacker could exploit this vulnerability by configuring a RADIUS server with a shared RADIUS secret and returning malformed answers back to a RADIUS client on an affected Cisco device. An exploit could allow the attacker to cause a reload of the affected device. Cisco has released software updates that address this vulnerability. Workarounds that mitigate this vulnerability are not available. This advisory is available at the references.
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.