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Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerability (cisco-sa-20090325-sip)

high Nessus Plugin ID 49033

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Synopsis

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

Description

A vulnerability exists in the Session Initiation Protocol (SIP) implementation in Cisco IOS Software that can be exploited remotely to cause a reload of the Cisco IOS device.
Cisco has released free software updates that address this vulnerability. There are no workarounds available to mitigate the vulnerability apart from disabling SIP, if the Cisco IOS device does not need to run SIP for VoIP services. However, mitigation techniques are available to help limit exposure to the vulnerability.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20090325-sip.

See Also

http://www.nessus.org/u?60353bdb

http://www.nessus.org/u?dad3a429

Plugin Details

Severity: High

ID: 49033

File Name: cisco-sa-20090325-siphttp.nasl

Version: 1.21

Type: local

Family: CISCO

Published: 9/1/2010

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: 3/25/2009

Vulnerability Publication Date: 3/25/2009

Reference Information

CVE: CVE-2009-0636

BID: 34243