Vulnerability identifier: #VU63823
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
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
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing HTML content within the WebCore::TextureMapperLayer::setContentsLayer() function in WebCore/platform/graphics/texmap/TextureMapperLayer.cpp. A remote attacker can trick the victim to visit a specially crafted website, 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
WebKitGTK+: 2.36.0
WPE WebKit: 2.36.0
External links
http://bugs.webkit.org/show_bug.cgi?id=237188
http://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.36.0
http://webkitgtk.org/security/WSA-2022-0005.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.