CVE-2023-29011

Git for Windows, the Windows port of Git, ships with an executable called `connect.exe`, which implements a SOCKS5 proxy that can be used to connect e.g. to SSH servers via proxies when certain ports are blocked for outgoing connections. The location of `connect.exe`'s config file is hard-coded as `/etc/connectrc` which will typically be interpreted as `C:\etc\connectrc`. Since `C:\etc` can be created by any authenticated user, this makes `connect.exe` susceptible to malicious files being placed there by other users on the same multi-user machine. The problem has been patched in Git for Windows v2.40.1. As a workaround, create the folder `etc` on all drives where Git commands are run, and remove read/write access from those folders. Alternatively, watch out for malicious `<drive>:\etc\connectrc` files on multi-user machines.

• CWE-427

• https://github.com/git-for-windows/git/releases/tag/v2.40.1.windows.1Release Notes
• https://github.com/git-for-windows/git/security/advisories/GHSA-g4fv-xjqw-q7jmVendor Advisory
• https://github.com/git-for-windows/git/releases/tag/v2.40.1.windows.1Release Notes
• https://github.com/git-for-windows/git/security/advisories/GHSA-g4fv-xjqw-q7jmVendor Advisory

Published

Apr 25, 2023

Last Modified

Jun 17, 2026

Status

Modified

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