Information Exposure Affecting systemd/systemd package, versions [0,]


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-UNMANAGED-SYSTEMDSYSTEMD-2365480
  • published26 Jan 2022
  • disclosed17 May 2019
  • creditUnknown

Introduced: 17 May 2019

CVE-2018-20839  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

There is no fixed version for systemd/systemd.

Overview

Affected versions of this package are vulnerable to Information Exposure 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.

CVSS Scores

version 3.1