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cve/2018/CVE-2018-20839.md
0xMarcio 49bdc782b3 Update Sun May 26 14:27:04 CEST 2024
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CVE-2018-20839

Description

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.

POC

Reference

No PoCs from references.

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