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  5. CVE-2020-27955

CVE-2020-27955: Uncontrolled Search Path Element

February 11, 2022

Git LFS allows Remote Code Execution.

References

  • seclists.org/fulldisclosure/2020/Nov/1
  • github.com/advisories/GHSA-4g4p-42wc-9f3m
  • github.com/git-lfs/git-lfs/releases
  • github.com/git-lfs/git-lfs/security/advisories/GHSA-4g4p-42wc-9f3m
  • legalhackers.com/advisories/Git-LFS-RCE-Exploit-CVE-2020-27955.html
  • nvd.nist.gov/vuln/detail/CVE-2020-27955

Code Behaviors & Features

Detect and mitigate CVE-2020-27955 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 2.12.1

Fixed versions

  • v2.12.1

Solution

Upgrade to version 2.12.1 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-427: Uncontrolled Search Path Element
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Source file

go/github.com/git-lfs/git-lfs/CVE-2020-27955.yml

Spotted a mistake? Edit the file on GitLab.

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