Time-of-check Time-of-use (TOCTOU) Affecting skopeo-tests package, versions <2:1.10.0-1.rhaos4.13.el9


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.06% (29th percentile)

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  • Snyk ID SNYK-RHEL9-SKOPEOTESTS-5563221
  • published 16 Feb 2023
  • disclosed 15 Feb 2023

How to fix?

Upgrade RHEL:9 skopeo-tests to version 2:1.10.0-1.rhaos4.13.el9 or higher.
This issue was patched in RHSA-2023:1325.

NVD Description

Note: Versions mentioned in the description apply only to the upstream skopeo-tests package and not the skopeo-tests package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A Time-of-check Time-of-use (TOCTOU) flaw was found in podman. This issue may allow a malicious user to replace a normal file in a volume with a symlink while exporting the volume, allowing for access to arbitrary files on the host file system.

CVSS Scores

version 3.1
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NVD

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

6.8 medium
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SUSE

6 medium