Cisco IOS XE Software H.323 Message Validation DoS (cisco-sa-20160928-h323)

high Nessus Plugin ID 130765

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco IOS XE Software is affected by a vulnerability in the H.323 subsystem due to a failure to properly validate certain fields in an H.323 protocol suite message. An unauthenticated, remote attacker may exploit this, by sending a malicious message, causing an affected device to attempt to access an invalid memory region, crash, and restart.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCux04257

Plugin Details

Severity: High

ID: 130765

File Name: cisco-sa-20160928-h323-iosxe.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 11/12/2019

Updated: 1/8/2021

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

CVSS Score Source: CVE-2016-6384

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

Required KB Items: Host/Cisco/IOS-XE/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/28/2016

Vulnerability Publication Date: 10/5/2016

Reference Information

CVE: CVE-2016-6384

BID: 93209

CISCO-SA: cisco-sa-20160928-h323

CISCO-BUG-ID: CSCux04257

Detections

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