Cisco TelePresence Endpoint Command Shell Injection Vulnerability

high Nessus Plugin ID 126639

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, the Cisco TelePresence Codec (TC) and Collaboration Endpoint (CE) Cisco TelePresence Software is affected by a vulnerability in the Cisco Discovery Protocol (CDP) implementation which could allow an unauthenticated, adjacent attacker to inject arbitrary shell commands that are executed by the device. The vulnerability is due to insufficient input validation of received CDP packets. An attacker could exploit this vulnerability by sending crafted CDP packets to an affected device. A successful exploit could allow the attacker to execute arbitrary shell commands or scripts on the targeted device.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvo28194

Plugin Details

Severity: High

ID: 126639

File Name: cisco-sa-20190619-tele-shell-inj.nasl

Version: 1.2

Type: local

Family: CISCO

Published: 7/12/2019

Updated: 10/18/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2019-1878

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:cisco:telepresence_ce, cpe:/a:cisco:telepresence_tc_software

Required KB Items: Cisco/TelePresence_MCU/Device, Cisco/TelePresence_MCU/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 6/19/2019

Vulnerability Publication Date: 6/19/2019

Reference Information

CVE: CVE-2019-1878

CWE: 78

CISCO-SA: cisco-sa-20190619-tele-shell-inj

IAVA: 2019-A-0220

CISCO-BUG-ID: CSCvo28194

Detections

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