CVE-2024-32020
Cloning local Git repository by untrusted user allows the untrusted user to modify objects in the cloned repository at will
描述
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, local clones may end up hardlinking files into the target repository's object database when source and target repository reside on the same disk. If the source repository is owned by a different user, then those hardlinked files may be rewritten at any point in time by the untrusted user. Cloning local repositories will cause Git to either copy or hardlink files of the source repository into the target repository. This significantly speeds up such local clones compared to doing a "proper" clone and saves both disk space and compute time. When cloning a repository located on the same disk that is owned by a different user than the current user we also end up creating such hardlinks. These files will continue to be owned and controlled by the potentially-untrusted user and can be rewritten by them at will in the future. 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.
如何修補 CVE-2024-32020
要修補 CVE-2024-32020,請將受影響套件升級到下列已修補版本。
- —升級至 2.39.5-r0 或更新版本
- —升級至 2.39.4 或更新版本
- —未列出修補版本
CVE-2024-32020 正在被利用嗎?
低 — EPSS 為 0.2%,目前沒有觀察到大規模利用活動。
受影響套件(3)
- from 0, < 2.39.5-r0
- from 0, < 2.39.4, >= 2.40.0, < 2.40.2, >= 2.41.0, < 2.41.1, >= 2.42.0, < 2.42.2, >= 2.43.0, < 2.43.4, >= 2.44.0, < 2.44.1, >= 2.45.0, < 2.45.1