Command Injection Affecting jupyterlab-git package, versions [,0.51.1)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-JUPYTERLABGIT-9667341
- published6 Apr 2025
- disclosed3 Apr 2025
- creditUnknown
Introduced: 3 Apr 2025
NewCVE-2025-30370 (opens in a new tab)How to fix?
Upgrade jupyterlab-git to version 0.51.1 or higher.
Overview
jupyterlab-git is an A JupyterLab extension for version control using git
Affected versions of this package are vulnerable to Command Injection in the addCommands() function, which executes a cd command on the input passed in to the "Open Git Repository in Terminal" interface. If a user with permission to create a repository names the repository with a malicious string including command substitution - i.e. $(command) they can cause the command to be executed when another user accesses the "Open Git Repository in Terminal" interface.
Workaround
This vulnerability can be avoided in any of the following three ways:
Set
c.ServerApp.terminals_enabled = Falseon the server to disable use of a terminalRun
jupyter server extension disable jupyter_server_terminalsto disable the use of a terminal on the server extensionRun
jupyter labextension disable @jupyterlab/terminal-extensionon the lab extension.
PoC
mkdir '$(touch pwned.txt)'
cd '$(touch pwned.txt)/'
git init
cd ..