Security Advisory

CVE-2019-3842

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2019-04-09 20:25:01

Last updated 2025-06-09 15:47:28

Assigner redhat

State PUBLISHED

Description

In systemd before v242-rc4, it was discovered that pam_systemd does not properly sanitize the environment before using the XDG_SEAT variable. It is possible for an attacker, in some particular configurations, to set a XDG_SEAT environment variable which allows for commands to be checked against polkit policies using the "allow_active" element rather than "allow_any".

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