SB2020012704 - Path traversal in Cisco TelePresence Collaboration Endpoint, TelePresence Codec and RoomOS



SB2020012704 - Path traversal in Cisco TelePresence Collaboration Endpoint, TelePresence Codec and RoomOS

Published: January 27, 2020

Security Bulletin ID SB2020012704
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2020-3143)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the video endpoint API. A remote authenticated attacker can send a specially crafted HTTP request and read and write arbitrary files on the system.

This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco TelePresence CE Software, Cisco TC Software, or Cisco RoomOS Software:

  • Cisco TelePresence Integrator C Series
  • Cisco TelePresence MX Series
  • Cisco TelePresence SX Series
  • Cisco TelePresence System EX Series
  • Cisco Webex Board
  • Cisco Webex DX Series
  • Cisco Webex Room Series


Remediation

Install update from vendor's website.