Directory Traversal Affecting buildah package, versions <1.27.1-150300.8.11.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
1.53% (72nd percentile)

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  • Snyk IDSNYK-SLES153-BUILDAH-3085082
  • published27 Oct 2022
  • disclosed26 Oct 2022

Introduced: 26 Oct 2022

CVE-2021-20206  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 buildah to version 1.27.1-150300.8.11.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream buildah package and not the buildah package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

An improper limitation of path name flaw was found in containernetworking/cni in versions before 0.8.1. When specifying the plugin to load in the 'type' field in the network configuration, it is possible to use special elements such as "../" separators to reference binaries elsewhere on the system. This flaw allows an attacker to execute other existing binaries other than the cni plugins/types, such as 'reboot'. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Base Scores

version 3.1