Time-of-check Time-of-use (TOCTOU) Affecting shadow package, versions *


Severity

Recommended
low

Based on Debian security rating

    Threat Intelligence

    EPSS
    0.05% (18th percentile)

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  • Snyk ID SNYK-DEBIAN11-SHADOW-528840
  • published 27 Jun 2018
  • disclosed 3 Dec 2019

How to fix?

There is no fixed version for Debian:11 shadow.

NVD Description

Note: Versions mentioned in the description apply only to the upstream shadow package and not the shadow package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

shadow: TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees

CVSS Scores

version 3.1
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NVD

4.7 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    High
  • Availability (A)
    None
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Red Hat

4.4 medium