Information disclosure in Cisco Catalyst 6800 Series Switches - CVE-2016-6422

 

Information disclosure in Cisco Catalyst 6800 Series Switches - CVE-2016-6422

Published: October 6, 2016 / Updated: April 5, 2018


Vulnerability identifier: #VU775
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-6422
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote unauthenticated user to access potentially sensitive information on the target system.
The weakness occurs when the ternary content addressable memory (TCAM) implements insufficient access control entries (ACEs) in the port access control list. By sending a specially crafted packets attackers can bypass ACEs that lets them obtain important data.
Successful exploitation of the vulnerabilitymau result in information disclosure.

Affected software

Cisco Catalyst 6800 Series Switches

How to mitigate CVE-2016-6422

Install update from vendor's website.


External References

Related Security Bulletins