Ubuntu update for glib2.0

1) Information disclosure

EUVDB-ID: #VU65849

Risk: Medium

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-3800

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote attacker can trick the victim into opening a specially crafted file to gain unauthorized access to sensitive information on the system.

Mitigation

Update the affected package glib2.0 to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 18.04

libglib2.0-0 (Ubuntu package): before 2.56.4-0ubuntu0.18.04.9

libglib2.0-dev (Ubuntu package): before 2.56.4-0ubuntu0.18.04.9

libglib2.0-data (Ubuntu package): before 2.56.4-0ubuntu0.18.04.9

libglib2.0-bin (Ubuntu package): before 2.56.4-0ubuntu0.18.04.9

CPE2.3

• cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:16.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:18.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:libglib2.0-0_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libglib2.0-dev_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libglib2.0-data_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libglib2.0-bin_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-5189-1

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.