Vulnerability identifier: #VU76310

Vulnerability risk: High

CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:L/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-28204

CWE-ID: CWE-125

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in WebKit. A remote attacker can trick the victim to visit a specially crafted webpage, trigger an out-of-bounds read error and read contents of memory on the system.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

WebKitGTK+: 2.40.0 - 2.40.1

WPE WebKit: 2.40.0 - 2.40.1

---

External links
http://support.apple.com/en-us/HT213757
http://webkitgtk.org/security/WSA-2023-0004.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.