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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-21237 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27955 Third Party Advisory 
https://github.com/git-lfs/git-lfs/commit/fc664697ed2c2081ee9633010de0a7f9debea72a Patch  Third Party Advisory 
https://github.com/git-lfs/git-lfs/releases/tag/v2.13.2 Third Party Advisory 
https://github.com/git-lfs/git-lfs/security/advisories/GHSA-cx3w-xqmc-84g5 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-426 Untrusted Search Path GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-21237
NVD Published Date:
01/15/2021
NVD Last Modified:
01/29/2021
Source:
GitHub, Inc.