Debian update for webkit2gtk

Published: 2022-08-17 | Updated: 2022-08-19

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-32792 CVE-2022-32816
CWE-ID	CWE-787 CWE-451
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Debian Linux Operating systems & Components / Operating system webkit2gtk (Debian package) Operating systems & Components / Operating system package or component
Vendor	Debian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU65621

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-32792

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the B3 JIT compiler in WebKit. A remote attacker can trick the victim into opening a specially crafted webpage, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update webkit2gtk package to version 2.36.6-1~deb11u1.

Vulnerable software versions

Debian Linux: All versions

webkit2gtk (Debian package): before 2.36.6-1~deb11u1

External links

http://www.debian.org/security/2022/dsa-5210

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) Spoofing attack

EUVDB-ID: #VU65620

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-32816

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)