GHSA-fqfh-778m-2v32 GitHub CLI can execute a git binary from the current directory
GitHub CLI on Windows executes a malicious git binary from the current directory, allowing code execution when run in untrusted locations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is GHSA-fqfh-778m-2v32?
GHSA-fqfh-778m-2v32 is a command injection vulnerability in github.com/cli/cli, published on 11 Feb 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Impact
GitHub CLI depends on a git.exe executable being found in system %PATH% on Windows. However, if a malicious .\git.exe or .\git.bat is found in the current working directory at the time of running gh, the malicious command will be invoked instead of the system one.
Windows users who run gh inside untrusted directories are affected.
Patches
Users should upgrade to GitHub CLI v1.2.1.
Workarounds
Other than avoiding untrusted repositories, there is no workaround.
References
Which versions are affected by GHSA-fqfh-778m-2v32?
3 open source packages ship an affected version, including github.com/cli/cli.
| Package | Affected | Fixed in |
|---|---|---|
github.com/cli/cli Go | All versions | 1.2.1 |
github.com/cli/cli Go | All versions | 1.2.1 |
github.com/cli/cli Go | All versions | 1.2.1 |
How do I fix GHSA-fqfh-778m-2v32?
Upgrade github.com/cli/cli to 1.2.1 or later.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is GHSA-fqfh-778m-2v32 being exploited?
There is no known exploitation of GHSA-fqfh-778m-2v32 in the wild and no public exploit code.
Sources
Also known as GO-2022-0395.