title: "git apply --reject" partially-controlled arbitrary file write
description: Git is a revision control system. Prior to versions 2.30.9, 2.31.8, 2.32.7, 2.33.8, 2.34.8, 2.35.8, 2.36.6, 2.37.7, 2.38.5, 2.39.3, and 2.40.1, by feeding specially crafted input to `git apply --reject`, a path outside the working tree can be overwritten with partially controlled contents (corresponding to the rejected hunk(s) from the given patch). A fix is available in versions 2.30.9, 2.31.8, 2.32.7, 2.33.8, 2.34.8, 2.35.8, 2.36.6, 2.37.7, 2.38.5, 2.39.3, and 2.40.1. As a workaround, avoid using `git apply` with `--reject` when applying patches from an untrusted source. Use `git apply --stat` to inspect a patch before applying; avoid applying one that create a conflict where a link corresponding to the `*.rej` file exists.
problem types: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
affected:
{
vendor: git
product: git
versions:
version: < 2.30.9, status: affected
version: >= 2.31.0, < 2.31.8, status: affected
version: >= 2.32.0, < 2.32.7, status: affected
version: >= 2.33.0, < 2.33.8, status: affected
version: >= 2.34.0, < 2.34.8, status: affected
version: >= 2.35.0, < 2.35.8, status: affected
version: >= 2.36.0, < 2.36.6, status: affected
version: >= 2.37.0, < 2.37.7, status: affected
version: >= 2.38.0, < 2.38.5, status: affected
version: >= 2.39.0, < 2.39.3, status: affected
version: >= 2.40.0, < 2.40.1, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
version: 3.1
]