Git is a revision control system. Prior to versions 2.45.1, 2.44.1, 2.43.4, 2.42.2, 2.41.1, 2.40.2, and 2.39.4, repositories with submodules can be crafted in a way that exploits a bug in Git whereby it can be fooled into writing files not into the submodules worktree but into a .git/ directory. This allows writing a hook that will be executed while the clone operation is still running, giving the user no opportunity to inspect the code that is being executed. The problem has been patched in versions 2.45.1, 2.44.1, 2.43.4, 2.42.2, 2.41.1, 2.40.2, and 2.39.4. If symbolic link support is disabled in Git (e.g. via git config --global core.symlinks false), the described attack wont work. As always, it is best to avoid cloning repositories from untrusted sources.
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Git | Git | * | 2.39.4 (excluding) |
| Git | Git | 2.40.0 (including) | 2.40.2 (excluding) |
| Git | Git | 2.42.0 (including) | 2.42.2 (excluding) |
| Git | Git | 2.43.0 (including) | 2.43.4 (excluding) |
| Git | Git | 2.41.0 (including) | 2.41.0 (including) |
| Git | Git | 2.44.0 (including) | 2.44.0 (including) |
| Git | Git | 2.45.0 (including) | 2.45.0 (including) |
| Git | Ubuntu | devel | * |
| Git | Ubuntu | esm-infra/bionic | * |
| Git | Ubuntu | focal | * |
| Git | Ubuntu | jammy | * |
| Git | Ubuntu | mantic | * |
| Git | Ubuntu | noble | * |
| Git | Ubuntu | upstream | * |
| Red Hat Enterprise Linux 8 | RedHat | git-0:2.43.5-1.el8_10 | * |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | RedHat | git-0:2.27.0-5.el8_4 | * |
| Red Hat Enterprise Linux 8.4 Telecommunications Update Service | RedHat | git-0:2.27.0-5.el8_4 | * |
| Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | RedHat | git-0:2.27.0-5.el8_4 | * |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | RedHat | git-0:2.31.8-3.el8_6 | * |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | RedHat | git-0:2.31.8-3.el8_6 | * |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | RedHat | git-0:2.31.8-3.el8_6 | * |
| Red Hat Enterprise Linux 8.8 Extended Update Support | RedHat | git-0:2.39.5-1.el8_8 | * |
| Red Hat Enterprise Linux 9 | RedHat | git-0:2.43.5-1.el9_4 | * |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | RedHat | git-0:2.31.1-6.el9_0 | * |
| Red Hat Enterprise Linux 9.2 Extended Update Support | RedHat | git-0:2.39.5-1.el9_2 | * |