Improper Input Validation

Affecting systemd package, versions *

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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.

Remediation

There is no fixed version for systemd.

References

CVSS Score

6.7
medium severity
  • Attack Vector
    Local
  • Attack Complexity
    High
  • Privileges Required
    Low
  • User Interaction
    Required
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
CVE
CVE-2020-13776
CWE
CWE-20
Snyk ID
SNYK-DEBIAN8-SYSTEMD-570992
Disclosed
03 Jun, 2020
Published
03 Jun, 2020