Improper Locking Affecting container-tools:rhel8/podman-catatonit package, versions <0:3.3.1-9.module+el8.5.0+12697+018f24d7


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.52% (78th percentile)

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  • Snyk IDSNYK-RHEL8-CONTAINERTOOLS-4168262
  • published26 Jul 2021
  • disclosed1 Apr 2021

Introduced: 1 Apr 2021

CVE-2021-20291  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade RHEL:8 container-tools:rhel8/podman-catatonit to version 0:3.3.1-9.module+el8.5.0+12697+018f24d7 or higher.
This issue was patched in RHSA-2021:4154.

NVD Description

Note: Versions mentioned in the description apply only to the upstream container-tools:rhel8/podman-catatonit package and not the container-tools:rhel8/podman-catatonit package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A deadlock vulnerability was found in 'github.com/containers/storage' in versions before 1.28.1. When a container image is processed, each layer is unpacked using tar. If one of those layers is not a valid tar archive this causes an error leading to an unexpected situation where the code indefinitely waits for the tar unpacked stream, which never finishes. An attacker could use this vulnerability to craft a malicious image, which when downloaded and stored by an application using containers/storage, would then cause a deadlock leading to a Denial of Service (DoS).

CVSS Scores

version 3.1