Multiple vulnerabilities in WebKitGTK+ and WPE WebKit

Published: 2023-12-11 | Updated: 2023-12-18

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-42883 CVE-2023-42890
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	WebKitGTK+ Server applications / Frameworks for developing and running applications WPE WebKit Server applications / Frameworks for developing and running applications
Vendor	WebKitGTK

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU84080

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-42883

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when processing HTML content in WebKit. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and crash the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

WebKitGTK+: All versions

WPE WebKit: All versions

CPE2.3

External links

https://support.apple.com/en-us/HT214036
https://webkitgtk.org/security/WSA-2023-0012.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?

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

2) Buffer overflow

EUVDB-ID: #VU84079

Risk: High

CVSSv4.0: 6.1 [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-2023-42890