CVE-2024-40644: gitoxide An idiomatic, lean, fast & safe pure Rust implementation of Git. `gix-path` can be tricked into running another `git.exe` placed in an untrusted…

PriorityP434medium6.8CVSS 3.1

AVLACLPRLUIRSUCHIHAL

EPSS

0.21%

11.5th percentile

gitoxide An idiomatic, lean, fast & safe pure Rust implementation of Git. `gix-path` can be tricked into running another `git.exe` placed in an untrusted location by a limited user account on Windows systems. Windows permits limited user accounts without administrative privileges to create new directories in the root of the system drive. While `gix-path` first looks for `git` using a `PATH` search, in version 0.10.8 it also has a fallback strategy on Windows of checking two hard-coded paths intended to be the 64-bit and 32-bit Program Files directories. Existing functions, as well as the newly introduced `exe_invocation` function, were updated to make use of these alternative locations. This causes facilities in `gix_path::env` to directly execute `git.exe` in those locations, as well as to return its path or whatever configuration it reports to callers who rely on it. Although unusual setups where the system drive is not `C:`, or even where Program Files directories have non-default names, are technically possible, the main problem arises on a 32-bit Windows system. Such a system has no `C:\Program Files (x86)` directory. A limited user on a 32-bit Windows system can therefore create the `C:\Program Files (x86)` directory and populate it with arbitrary contents. Once a payload has been placed at the second of the two hard-coded paths in this way, other user accounts including administrators will execute it if they run an application that uses `gix-path` and do not have `git` in a `PATH` directory. (While having `git` found in a `PATH` search prevents exploitation, merely having it installed in the default location under the real `C:\Program Files` directory does not. This is because the first hard-coded path's `mingw64` component assumes a 64-bit installation.). Only Windows is affected. Exploitation is unlikely except on a 32-bit system. In particular, running a 32-bit build on a 64-bit system is not a risk factor. Furthermore, the attacker must have a user accoun

Affected

2 ranges

Vendor	Product	Version range	Fixed in
byron	gitoxide	< 0.10.9	0.10.9
debian	rust-gix-path	—	—

CVSS provenance

nvdv3.16.8MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L

vendor_debian6.8LOW

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