Ubuntu update for webkit2gtk

1) Improper authentication

EUVDB-ID: #VU89419

Risk: Medium

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

CVE-ID: CVE-2024-27834

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in within the webKit component. A remote attacker can bypass pointer authentication.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 22.04 - 24.04

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.44.2-0ubuntu0.22.04.1

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.44.2-0ubuntu0.22.04.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.44.2-0ubuntu0.22.04.1

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.44.2-0ubuntu0.22.04.1

libwebkitgtk-6.0-4 (Ubuntu package): before 2.44.2-0ubuntu0.22.04.1

libjavascriptcoregtk-6.0-1 (Ubuntu package): before 2.44.2-0ubuntu0.22.04.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:23.10:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:24.04:*:*:*:*:*:*:*
• cpe:2.3::canonical:libjavascriptcoregtk-4.1-0_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:libwebkit2gtk-4.1-0_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:libwebkit2gtk-4.0-37_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libjavascriptcoregtk-4.0-18_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libwebkitgtk-6.0-4_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libjavascriptcoregtk-6.0-1_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6788-1

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.