Cisco IP Phones 8800 Series SIP Denial of Service (CVE-2017-6656)

medium Tenable OT Security Plugin ID 502093

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability in Session Initiation Protocol (SIP) call handling of Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to the SIP process unexpectedly restarting. All active phone calls are dropped as the SIP process restarts. More Information: CSCvc29353.
Known Affected Releases: 11.0(0.1). Known Fixed Releases:
11.0(0)MP2.153 11.0(0)MP2.62.

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.

Plugin Details

Severity: Medium

ID: 502093

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: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2017-6656

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/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:/a:cisco:ip_phone_8800_series

Required KB Items: Tenable.ot/Cisco

Exploit Ease: No known exploits are available

Patch Publication Date: 6/13/2017

Vulnerability Publication Date: 6/13/2017

Reference Information

CVE: CVE-2017-6656

CWE: 20

Detections

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