Buffer overflow in Cisco WebEx Meetings Player and Cisco Meeting Server - CVE-2018-15421

 

Buffer overflow in Cisco WebEx Meetings Player and Cisco Meeting Server - CVE-2018-15421

Published: September 20, 2018


Vulnerability identifier: #VU14812
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-15421
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing Cisco Webex Network Recording Player for Advanced Recording Format (ARF) files. A remote attacker can create a specially crafted ARF file, trick the victim into opening it with Cisco Webex Player, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Cisco WebEx Meetings Player
Cisco Meeting Server

How to mitigate CVE-2018-15421

Install updates from vendor's website.


External References

Related Security Bulletins