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Remote Code Execution (RCE) Affecting gitpython package, versions [,3.1.32)

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 0.06% (26th percentile)
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NVD
9.8 critical
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Red Hat
9.8 critical

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  • Snyk ID SNYK-PYTHON-GITPYTHON-5840584
  • published 13 Aug 2023
  • disclosed 11 Aug 2023
  • credit Sylvain Beucler
Report a new vulnerability Found a mistake?

Introduced: 11 Aug 2023

CVE-2023-40267 Open this link in a new tab
CWE-94 Open this link in a new tab

How to fix?

Upgrade GitPython to version 3.1.32 or higher.

Overview

GitPython is a python library used to interact with Git repositories

Affected versions of this package are vulnerable to Remote Code Execution (RCE) due to an improper fix for CVE-2022-24439, which allows insecure non-multi options in clone and clone_from.

PoC 

r.clone_from('test', 'tmp', c=["protocol.ext.allow=always"])
GitCommandError: Cmd('git') failed due to: exit code(128)
cmdline: git clone -v -c protocol.ext.allow=always -- test tmp