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Cisco IOS Software H.323 Denial of Service Vulnerability - Cisco Systems

high Nessus Plugin ID 49042

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Synopsis

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

Description

The H.323 implementation in Cisco IOS Software contains a vulnerability that can be exploited remotely to cause a device that is running Cisco IOS Software to reload.
 Cisco has released free software updates that address this vulnerability. There are no workarounds to mitigate the vulnerability apart from disabling H.323 if the device that is running Cisco IOS Software does not need to run H.323 for VoIP services.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20090923-h323.

See Also

http://www.nessus.org/u?54e298e2

http://www.nessus.org/u?7508d5c0

Plugin Details

Severity: High

ID: 49042

File Name: cisco-sa-20090923-h323http.nasl

Version: 1.20

Type: combined

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: 9/23/2009

Vulnerability Publication Date: 9/23/2009

Reference Information

CVE: CVE-2009-2866

BID: 36494

CISCO-SA: cisco-sa-20090923-h323

CISCO-BUG-ID: CSCsz38104