Ubuntu update for webkit2gtk

1) Buffer overflow

EUVDB-ID: #VU67199

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-2022-32886

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing web content in WebKit. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.36.8-0ubuntu0.22.04.1

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.36.8-0ubuntu0.22.04.1

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.36.8-0ubuntu0.20.04.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.36.8-0ubuntu0.20.04.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3::canonical:libjavascriptcoregtk-4.1-0_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:libwebkit2gtk-4.1-0_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:libjavascriptcoregtk-4.0-18_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:libwebkit2gtk-4.0-37_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-5642-1

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.