Vulnerability in Git
CVE-2023-29007
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, a specially crafted `.gitmodules` file with submodule URLs that are longer than 1024 characters can used to exploit a bug in `config.c::git_config_copy_or_rename_section_in_file()`. This bug can be used to inject arbitrary configuration into a user's `$GIT_DIR/config` when attempting to remove the configuration section associated with that submodule. When the attacker injects configuration values which specify executables to run (such as `core.pager`, `core.editor`, `core.sshCommand`, etc.) this can lead to a remote code execution. A fix A fix is available in versions 2.30.9, 2.31.8, 2.32.7, 2.33.8, 2.34.8, 2.35.8, 2.36.6, 2.37.7, 2.38.5, 2.39.3, and 2.40.1. As a workaround, avoid running `git submodule deinit` on untrusted repositories or without prior inspection of any submodule sections in `$GIT_DIR/config`.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.061 (93.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.061 · newest: 0.061 · change: 0.000
Affected products
- Git — versions < 2.30.9, >= 2.31.0, < 2.31.8, >= 2.32.0, < 2.32.7
- Git-Scm Git — versions 2.40.0
- Fedoraproject Fedora — versions 36, 37, 38
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/git/git/security/advisories/GHSA-v48j-4xgg-4844 (Vendor Advisory)
- github.com/git/git/commit/528290f8c61222433a8cf02fb7cfffa8438432b4 (Patch)
- github.com/git/git/blob/9ce9dea4e1c2419cca126d29fa7730baa078a11b/Documentation/… (Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202312-15 (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2024/06/msg00018.html
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-29007?
- CVE-2023-29007 is a high-severity vulnerability in Git, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.0/10. Published 2023-04-25.
- How severe is CVE-2023-29007?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2023-29007 known to be exploited?
- 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.