Buffer overflow in Webex Player - CVE-2021-1527

 

Buffer overflow in Webex Player - CVE-2021-1527

Published: June 2, 2021


Vulnerability identifier: #VU53748
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1527
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Webex Player

Detailed vulnerability description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a boundary error when processing WRF files. A remote attacker can create a specially crafted WRF, trick the victim into opening it, trigger memory corruption and crash the application or view memory state information.



How to mitigate CVE-2021-1527

Install updates from vendor's website.

Sources