#VU48726 Use-after-free


Published: 2020-12-01 | Updated: 2021-02-15

Vulnerability identifier: #VU48726

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2020-13558

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

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

Vendor: WebKitGTK
WPE WebKit

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the AudioSourceProviderGStreamer functionality. A remote attacker can trick a victim to visit a specially crafted webpage and execute arbitrary code on the target system.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

WebKitGTK+: 2.0.0 - 2.30.4

WPE WebKit: 0.1 - 2.30.4


CPE

External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1172
http://webkitgtk.org/security/WSA-2021-0001.html


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


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