Mageia 2021-0003: gdm security update

Date 04 Jan 2021

Category Mageia Linux Distribution - Security Advisories

455

Posted By LinuxSecurity Advisories

Kevin Backhouse discovered that GDM incorrectly launched the initial setup tool when the accountsservice daemon was not reachable. A local attacker able to cause accountsservice to crash or stop responding could trick GDM into launching the initial setup tool and create a privileged user (CVE-2020-16125).

MGASA-2021-0003 - Updated gdm packages fix a security vulnerability

Publication date: 04 Jan 2021
URL: https://advisories.mageia.org/MGASA-2021-0003.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-16125

Kevin Backhouse discovered that GDM incorrectly launched the initial setup tool
when the accountsservice daemon was not reachable. A local attacker able to
cause accountsservice to crash or stop responding could trick GDM into
launching the initial setup tool and create a privileged user (CVE-2020-16125).

References:
- https://bugs.mageia.org/show_bug.cgi?id=27566
- https://ubuntu.com/security/notices/USN-4614-1
- https://lists.opensuse.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./thread/ZX3UTGQD6BVLNXN2RQDQJAGIEKRWA7A4/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16125

SRPMS:
- 7/core/gdm-3.32.0-1.1.mga7