Information Exposure The advisory has been revoked - it doesn't affect any version of package systemd Open this link in a new tab


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  • snyk-id

    SNYK-UBUNTU1604-SYSTEMD-346739

  • published

    17 May 2019

  • disclosed

    17 May 2019

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.

NVD Description

Note: Versions mentioned in the description apply to the upstream systemd package.

systemd 242 changes the VT1 mode upon a logout, which allows attackers to read cleartext passwords in certain circumstances, such as watching a shutdown, or using Ctrl-Alt-F1 and Ctrl-Alt-F2. This occurs because the KDGKBMODE (aka current keyboard mode) check is mishandled.