Input validation error in Webex Player and Cisco WebEx Network Recording Player - CVE-2019-1638

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Main Vulnerability Database Vulnerabilities #VU17207

Input validation error in Webex Player and Cisco WebEx Network Recording Player - CVE-2019-1638

Published: January 24, 2019


Vulnerability identifier: #VU17207
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-2019-1638
CWE-ID: CWE-20
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 improper validation of Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. A remote unauthenticated attacker can trick the victim into opening a malicious ARF or WRF file with the affected software and execute arbitrary code with elevated privileges.

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


Affected software

Webex Player
Cisco WebEx Network Recording Player

How to mitigate CVE-2019-1638

Install update from vendor's website.


External References

Related Security Bulletins