Remote code execution in WebKitGTK+ and WPE WebKit



Published: 2023-02-13 | Updated: 2023-02-20
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-23529
CWE-ID CWE-843
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Subscribe 		WPE WebKit
Server applications / Frameworks for developing and running applications

WebKitGTK+
Server applications / Frameworks for developing and running applications

Vendor WebKitGTK

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Type Confusion

EUVDB-ID: #VU72161

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-23529

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error when parsing web content in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

WPE WebKit: 2.38.0 - 2.38.4

WebKitGTK+: 2.38.0 - 2.38.4

External links

http://support.apple.com/en-us/HT213635
http://webkitgtk.org/security/WSA-2023-0002.html


Q & A

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?

Yes. This vulnerability is being exploited in the wild.



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