CVE-2014-9390

high-risk

Published 2020-02-12

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.

Do I need to act?

77.2% chance of exploitation in next 30 days

EPSS score — higher than 23% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (8)

Git

Mercurial

Xcode

Egit

Jgit

Libgit2

Affected Vendors

Apple Mercurial Git-Scm Eclipse Libgit2

References (18)

Broken Link http://article.gmane.org/gmane.linux.kernel/1853266

Third Party Advisory http://git-blame.blogspot.com/2014/12/git-1856-195-205-214-and-221-and.html

Release Notes http://mercurial.selenic.com/wiki/WhatsNew

Third Party Advisory http://securitytracker.com/id?1031404

Vendor Advisory http://support.apple.com/kb/HT204147

Vendor Advisory https://github.com/blog/1938-git-client-vulnerability-announced

Third Party Advisory https://github.com/libgit2/libgit2/commit/928429c5c96a701bcbcafacb2421a82602b369...

Product https://libgit2.org/security/

Issue Tracking https://news.ycombinator.com/item?id=8769667