Debian update for webkit2gtk

Published: 2022-07-16

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-22677 CVE-2022-26710
CWE-ID	CWE-399 CWE-416
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	webkit2gtk (Debian package) Operating systems & Components / Operating system package or component
Vendor	Debian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource management error

EUVDB-ID: #VU63285

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-22677

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack.

The vulnerability exists due to a logic issue in video self-preview feature in a webRTC call, which can be interrupted if the user answers a phone call.

Mitigation

Update webkit2gtk package to one of the following versions: 2.36.4-1~deb10u1, 2.36.4-1~deb11u1.

Vulnerable software versions

webkit2gtk (Debian package): 2.36.0-3~deb10u1 - 2.36.3-1~deb11u1

External links

http://www.debian.org/security/2022/dsa-5182

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) Use-after-free

EUVDB-ID: #VU63281

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-2022-26710

CWE-ID: CWE-416 - Use After Free