ASA-201903-3 log original external raw
[ASA-201903-3] gdm: access restriction bypass |
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Arch Linux Security Advisory ASA-201903-3
=========================================
Severity: High
Date : 2019-03-03
CVE-ID : CVE-2019-3820 CVE-2019-3825
Package : gdm
Type : access restriction bypass
Remote : No
Link : https://security.archlinux.org/AVG-879
Summary
=======
The package gdm before version 3.30.3-1 is vulnerable to access
restriction bypass.
Resolution
==========
Upgrade to 3.30.3-1.
# pacman -Syu "gdm>=3.30.3-1"
The problems have been fixed upstream in version 3.30.3.
Workaround
==========
None.
Description
===========
- CVE-2019-3820 (access restriction bypass)
A partial screen lock bypass via keybindings has been found in gdm <=
3.30.2, allowing a local attacker to unlock a session under certain
circumstances.
- CVE-2019-3825 (access restriction bypass)
An issue has been found in gdm <= 3.30.2, allowing a local attacker
with valid credentials to unlock the session for a different user than
their own.
Impact
======
A local attacker can unlock session if they have other valid
credentials, or under certain circumstances.
References
==========
https://gitlab.gnome.org/GNOME/gnome-shell/issues/851
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3825
https://gitlab.gnome.org/GNOME/gdm/issues/460
https://security.archlinux.org/CVE-2019-3820
https://security.archlinux.org/CVE-2019-3825
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