#VU78589 Information disclosure in WebKitGTK+ and WPE WebKit - CVE-2023-38133

Vulnerability identifier: #VU78589

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-38133

CWE-ID: CWE-200

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 excessive data output in WebKit Process Model. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

WebKitGTK+: before 2.40.5

WPE WebKit: before 2.40.5

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External links
https://support.apple.com/en-us/HT213842
https://webkitgtk.org/security/WSA-2023-0007.html

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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?

No. We are not aware of malware exploiting this vulnerability.