#VU48190 Use-after-free


Published: 2020-11-06 | Updated: 2021-03-23

Vulnerability identifier: #VU48190

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2020-27918

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WPE WebKit
Server applications / Frameworks for developing and running applications
WebKitGTK+
Server applications / Frameworks for developing and running applications

Vendor: WPE WebKit
WebKitGTK

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing web content within WebKit. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WPE WebKit: 2.19.93 - 2.31.90

WebKitGTK+: 2.0.0 - 2.31.90


CPE

External links
http://webkitgtk.org/security/WSA-2021-0002.html


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


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