QID 375621

Date Published: 2021-06-22

QID 375621: Overwolf Client Remote Code Execution Vulnerability

Overwolf is a software platform designed to help developers create extensions for video games, which are then offered to users through Overwolf's App.

CVE-2021-33501: Unauthenticated attackers can achieve RCE on vulnerable clients by combining a reflected cross-site scripting (XSS) bug with a Chromium Embedded Framework (CEF) sandbox escape.

Affected Versions:
Overwolf Client 0.169.0.22 and earlier
QID Detection Logic(Authenticated):
This QID checks for the vulnerable version of overwolf with registry HKLM\SOFTWARE\WOW6432Node\Overwolf and using CurrentVersion

Successful exploitation of this vulnerability may allow an attacker to execute arbitrary code execution on the target system.

CVSS V3 rated as Critical - 9.6 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Customers are advised to download the latest version of overwolf client from here.

Vendor References

Overwolf - overwolf.github.io/docs/api/changelog

CVEs related to QID 375621

CVE-2021-33501 |

Software Advisories

Advisory ID	Software	Component	Link
Overwolf			overwolf.github.io/docs/support/download-overview

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