Use-after-free in WebKitGTK+ and WPE WebKit - CVE-2020-13558
Published: December 1, 2020 / Updated: February 15, 2021
Vulnerability identifier: #VU48726
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-13558
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WebKitGTK
Affected software:
WebKitGTK+
WPE WebKit
WebKitGTK+
WPE WebKit
Detailed vulnerability 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.
How to mitigate CVE-2020-13558
Install update from vendor's website.