Improper Input Validation Affecting umoci package, versions <0.4.7-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-ALPINE321-UMOCI-8489890
  • published6 Dec 2024
  • disclosed6 Apr 2021

Introduced: 6 Apr 2021

CVE-2021-29136  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 umoci to version 0.4.7-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream umoci package and not the umoci package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

Open Container Initiative umoci before 0.4.7 allows attackers to overwrite arbitrary host paths via a crafted image that causes symlink traversal when "umoci unpack" or "umoci raw unpack" is used.

CVSS Scores

version 3.1