Cisco IOS Software IP Service Level Agreement Vulnerability (cisco-sa-20110928-ipsla)

high Nessus Plugin ID 56315

Synopsis

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

Description

The Cisco IOS IP Service Level Agreement (IP SLA) feature contains a denial of service (DoS) vulnerability. The vulnerability is triggered when malformed UDP packets are sent to a vulnerable device. The vulnerable UDP port numbers depend on the device configuration.
Default ports are not used for the vulnerable UDP IP SLA operation or for the UDP responder ports. Cisco has released free software updates that address this vulnerability.

Solution

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

See Also

http://www.nessus.org/u?94afcda9

Plugin Details

Severity: High

ID: 56315

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

Version: 1.20

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-2011-3272

BID: 49823

CISCO-SA: cisco-sa-20110928-ipsla

CISCO-BUG-ID: CSCtk67073