Cisco IOS Software IPv6 Denial of Service Vulnerability (cisco-sa-20110928-ipv6)

high Nessus Plugin ID 56316

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

Cisco IOS Software contains a vulnerability in the IP version 6 (IPv6) protocol stack implementation that could allow an unauthenticated, remote attacker to cause a reload of an affected device that has IPv6 operation enabled. The vulnerability is triggered when an affected device processes a malformed IPv6 packet. Cisco has released free software updates that address this vulnerability. There are no workarounds to mitigate this vulnerability.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20110928-ipv6.

See Also

http://www.nessus.org/u?99a00689

Plugin Details

Severity: High

ID: 56316

File Name: cisco-sa-20110928-ipv6http.nasl

Version: 1.22

Type: local

Family: CISCO

Published: 9/29/2011

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/21/2012

Vulnerability Publication Date: 9/28/2011

Reference Information

CVE: CVE-2011-0944

BID: 49821

CISCO-SA: cisco-sa-20110928-ipv6

CISCO-BUG-ID: CSCtj41194