Improper Input Validation Affecting systemd/systemd package, versions [,246)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-UNMANAGED-SYSTEMDSYSTEMD-2365476
  • published26 Jan 2022
  • disclosed3 Jun 2020
  • creditUnknown

Introduced: 3 Jun 2020

CVE-2020-13776  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade systemd/systemd to version 246 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082.

References

CVSS Scores

version 3.1