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CVE-2021-3800

Published: 2 November 2021

A flaw was found in glib before version 2.63.6. Due to random charset alias, pkexec can leak content from files owned by privileged users to unprivileged ones under the right condition.

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
glib2.0
Launchpad, Ubuntu, Debian
bionic
Released (2.56.4-0ubuntu0.18.04.9)
hirsute Not vulnerable
(2.68.1-1~ubuntu21.04.1)
impish Not vulnerable
(2.68.4-1ubuntu1)
trusty
Released (2.40.2-0ubuntu1.1+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (2.62.5)
xenial
Released (2.48.2-0ubuntu4.8+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
focal Not vulnerable
(2.64.6-1~ubuntu20.04.4)
Patches:
upstream: https://gitlab.gnome.org/GNOME/glib/commit/3529bb4450a51995

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N