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  5. CVE-2021-29136

CVE-2021-29136: Improper Input Validation

February 15, 2022

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

References

  • www.openwall.com/lists/oss-security/2021/04/06/2
  • github.com/advisories/GHSA-9m95-8hx6-7p9v
  • github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57
  • github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9v
  • nvd.nist.gov/vuln/detail/CVE-2021-29136

Code Behaviors & Features

Detect and mitigate CVE-2021-29136 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 0.4.7

Fixed versions

  • v0.4.7

Solution

Upgrade to version 0.4.7 or above.

Impact 5.5 MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

go/github.com/opencontainers/umoci/CVE-2021-29136.yml

Spotted a mistake? Edit the file on GitLab.

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