Description
Git LFS is a command line extension for managing large files with Git. On Windows, if Git LFS operates on a malicious repository with a git.bat or git.exe file in the current directory, that program would be executed, permitting the attacker to execute arbitrary code. This does not affect Unix systems. This is the result of an incomplete fix for CVE-2020-27955. This issue occurs because on Windows, Go includes (and prefers) the current directory when the name of a command run does not contain a directory separator. Other than avoiding untrusted repositories or using a different operating system, there is no workaround. This is fixed in v2.13.2.
Published: 2021-01-15
Score: 7.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-0965 Git LFS is a command line extension for managing large files with Git. On Windows, if Git LFS operates on a malicious repository with a git.bat or git.exe file in the current directory, that program would be executed, permitting the attacker to execute arbitrary code. This does not affect Unix systems. This is the result of an incomplete fix for CVE-2020-27955. This issue occurs because on Windows, Go includes (and prefers) the current directory when the name of a command run does not contain a directory separator. Other than avoiding untrusted repositories or using a different operating system, there is no workaround. This is fixed in v2.13.2.
Github GHSA Github GHSA GHSA-cx3w-xqmc-84g5 Git LFS can execute a Git binary from the current directory on Windows
History

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Subscriptions

Git Large File Storage Project Git Large File Storage
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-03T18:09:15.015Z

Reserved: 2020-12-22T00:00:00.000Z

Link: CVE-2021-21237

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-01-15T18:15:15.980

Modified: 2024-11-21T05:47:50.287

Link: CVE-2021-21237

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses