#VU30304 Use-after-free in WebKitGTK+ - CVE-2020-11793
Published: April 17, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30304
Vulnerability risk: High
CVSSv4.0: 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-2020-11793
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WebKitGTK+
WebKitGTK+
Software vendor:
WebKitGTK
WebKitGTK
Description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
A use-after-free issue exists in WebKitGTK before 2.28.1 and WPE WebKit before 2.28.1 via crafted web content that allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash).
Remediation
Install update from vendor's website.
External links
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3P4YISPE5QX4YD54GDRZIH2X5RCH3QGW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K3MQTRC6ITFTVS5R5Z24PMJS6FXJKGRD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UTKY2MWP6PB6TE3ZKOOMKX7HZUCQNYF6/
- https://security.gentoo.org/glsa/202006-08
- https://usn.ubuntu.com/4331-1/
- https://webkitgtk.org/security/WSA-2020-0004.html
- https://wpewebkit.org/security/WSA-2020-0004.html