CVE-2019-1637 Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerabilities

High 7.8 Published 23 Jan 2019 Updated 20 Nov 2024

Attackers can execute arbitrary code by tricking users into opening malicious recording files in Cisco Webex Players.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-1637?

CVE-2019-1637 is a high-severity memory corruption vulnerability in Cisco Webex Meetings Online, published on 23 Jan 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability in the Cisco Webex Network Recording Player for Microsoft Windows and the Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerability exist because the affected software improperly validates Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file via a link or email attachment and persuading the user to open the file with the affected software. Successful exploitation could allow the attacker to execute arbitrary code on the affected system.

Weakness: CWE-119

Which versions are affected by CVE-2019-1637?

It affects 2 products.

Products include Cisco Webex Meetings Online, Cisco Webex Meetings Server.

How do I fix CVE-2019-1637?

No fix has been published for CVE-2019-1637 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-1637 being exploited?

There is no known exploitation of CVE-2019-1637 in the wild and no public exploit code.

All Cisco Webex Meetings Online vulnerabilities

Sources

Also known as GHSA-5mr2-cw9g-xq6c.