Link Following Affecting container-tools:rhel8/fuse-overlayfs package, versions <0:0.4.1-1.module+el8.1.0+4081+b29780af


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.19% (58th percentile)

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  • Snyk IDSNYK-RHEL8-CONTAINERTOOLS-3653454
  • published26 Jul 2021
  • disclosed22 Aug 2019

Introduced: 22 Aug 2019

CVE-2019-18466  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade RHEL:8 container-tools:rhel8/fuse-overlayfs to version 0:0.4.1-1.module+el8.1.0+4081+b29780af or higher.
This issue was patched in RHSA-2019:4269.

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.

An issue was discovered in Podman in libpod before 1.6.0. It resolves a symlink in the host context during a copy operation from the container to the host, because an undesired glob operation occurs. An attacker could create a container image containing particular symlinks that, when copied by a victim user to the host filesystem, may overwrite existing files with others from the host.

CVSS Scores

version 3.1