Time-of-check Time-of-use (TOCTOU) Affecting container-tools:rhel8/fuse-overlayfs package, versions <0:1.10-1.module+el8.8.0+18060+3f21f2cc


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (31st percentile)

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  • Snyk IDSNYK-RHEL8-CONTAINERTOOLS-5566479
  • published16 Feb 2023
  • disclosed15 Feb 2023

Introduced: 15 Feb 2023

CVE-2023-0778  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade RHEL:8 container-tools:rhel8/fuse-overlayfs to version 0:1.10-1.module+el8.8.0+18060+3f21f2cc or higher.
This issue was patched in RHSA-2023:2758.

NVD Description

Note: Versions mentioned in the description apply only to the upstream container-tools:rhel8/fuse-overlayfs package and not the container-tools:rhel8/fuse-overlayfs package as distributed by RHEL. See How to fix? for RHEL:8 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