Cisco Unified IP Phones 9900 Series Denial of Service (CVE-2015-4226)

high Tenable OT Security Plugin ID 502133

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cause a denial of service (device hang) by sending malformed RTP packets after a call is answered, aka Bug ID CSCur39976.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

http://www.nessus.org/u?409fa40d

http://tools.cisco.com/security/center/viewAlert.x?alertId=39554

http://www.securityfocus.com/bid/75471

http://www.securitytracker.com/id/1032748

Plugin Details

Severity: High

ID: 502133

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 3/18/2024

Updated: 3/18/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2015-4226

Vulnerability Information

CPE: cpe:/o:cisco:unified_ip_phones_9900_series_firmware:9.3%282%29

Required KB Items: Tenable.ot/Cisco

Exploit Ease: No known exploits are available

Patch Publication Date: 6/30/2015

Vulnerability Publication Date: 6/30/2015

Reference Information

CVE: CVE-2015-4226

CWE: 399