Debian update for webkit2gtk

Published: 2023-11-17

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-41983 CVE-2023-42852
CWE-ID	CWE-119 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	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) Buffer overflow

EUVDB-ID: #VU82397

Risk: Medium

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:Green]

CVE-ID: CVE-2023-41983

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 Process Model. A remote attacker can trick the victim to visit a specially crafted website, trigger memory corruption and perform a denial of service attack.

Mitigation

Update webkit2gtk package to one of the following versions: 2.42.2-1~deb11u1, 2.42.2-1~deb12u1.

Vulnerable software versions

Debian Linux: All versions

webkit2gtk (Debian package): before 2.42.2-1~deb11u1

CPE2.3

External links

https://www.debian.org/security/2023/dsa-5557

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) Input validation error

EUVDB-ID: #VU82396

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-2023-42852

CWE-ID: CWE-20 - Improper input validation