Time-of-check Time-of-use (TOCTOU) Affecting shadow package, versions <1:4.8.1-2ubuntu2.1



    Attack Complexity High
    Integrity High

    Threat Intelligence

    EPSS 0.05% (15th percentile)
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4.7 medium
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Red Hat
4.4 medium

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  • Snyk ID SNYK-UBUNTU2204-SHADOW-2801886
  • published 27 Jun 2018
  • disclosed 3 Dec 2019

How to fix?

Upgrade Ubuntu:22.04 shadow to version 1:4.8.1-2ubuntu2.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream shadow package and not the shadow package as distributed by Ubuntu:22.04. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

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