Debian update for webkit2gtk

Published: 2020-04-17

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2020-11793
CWE-ID	CWE-416
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 one high risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU30304

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-2020-11793

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

A use-after-free issue exists in WebKitGTK before 2.28.1 and WPE WebKit before 2.28.1 via crafted web content that allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash).

Mitigation

Update webkit2gtk package to version 2.26.4-1~deb10u3.

Vulnerable software versions

Debian Linux: All versions

webkit2gtk (Debian package): before 2.26.4-1~deb10u3

External links

http://www.debian.org/security/2020/dsa-4658

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.