Ubuntu update for WebKitGTK

1) Buffer overflow

EUVDB-ID: #VU26430

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-2020-3899

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. A remote attacker can trick a victim to open a specially crafted file or visit a malicious page, 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 packages.

Ubuntu 20.04 LTS

libjavascriptcoregtk-4.0-18 - 2.28.2-0ubuntu0.20.04.1

libwebkit2gtk-4.0-37 - 2.28.2-0ubuntu0.20.04.1

Ubuntu 19.10

libjavascriptcoregtk-4.0-18 - 2.28.2-0ubuntu0.19.10.1

libwebkit2gtk-4.0-37 - 2.28.2-0ubuntu0.19.10.1

Ubuntu 18.04 LTS

libjavascriptcoregtk-4.0-18 - 2.28.2-0ubuntu0.18.04.1

libwebkit2gtk-4.0-37 - 2.28.2-0ubuntu0.18.04.1

Vulnerable software versions

webkit2gtk (Ubuntu package): 2.20.2-0ubuntu0.18.04.1 - 2.28.1-0ubuntu0.19.10.1

External links

http://usn.ubuntu.com/4347-1/

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.