CVE-2014-9390
Description
Git before 1.8.5.6, 1.9.x before 1.9.5, 2.0.x before 2.0.5, 2.1.x before 2.1.4, and 2.2.x before 2.2.1 on Windows and OS X; Mercurial before 3.2.3 on Windows and OS X; Apple Xcode before 6.2 beta 3; mine all versions before 08-12-2014; libgit2 all versions up to 0.21.2; Egit all versions before 08-12-2014; and JGit all versions before 08-12-2014 allow remote Git servers to execute arbitrary commands via a tree containing a crafted .git/config file with (1) an ignorable Unicode codepoint, (2) a git~1/config representation, or (3) mixed case that is improperly handled on a case-insensitive filesystem.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Metasploit modules
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.10.1-1 |
| sid | Fixed | 0.10.1-1 |
| forky | Fixed | 0.10.1-1 |
| bullseye | Fixed | 0.10.1-1 |
| bookworm | Fixed | 0.10.1-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.eclipse.jgit:org.eclipse.jgit | <3.5.3 | 3.5.3 |
| PyPI | mercurial | <3.2.3 | 3.2.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2014-9390
- https://github.com/libgit2/libgit2/commit/928429c5c96a701bcbcafacb2421a82602b36915
- https://github.com/blog/1938-git-client-vulnerability-announced
- https://github.com/pypa/advisory-database/tree/main/vulns/mercurial/PYSEC-2020-217.yaml
- https://libgit2.org/security
- https://news.ycombinator.com/item?id=8769667
- https://projects.eclipse.org/projects/technology.jgit/releases/3.5.3
- https://web.archive.org/web/20211204220400/https://securitytracker.com/id?1031404
- http://article.gmane.org/gmane.linux.kernel/1853266
- http://git-blame.blogspot.com/2014/12/git-1856-195-205-214-and-221-and.html
- http://mercurial.selenic.com/wiki/WhatsNew
- http://securitytracker.com/id?1031404
- http://support.apple.com/kb/HT204147
- https://libgit2.org/security/
- https://security-tracker.debian.org/tracker/CVE-2014-9390
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.