CVE-2014-9390

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 75.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-02-12 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Apple Xcode: through 6.1.1; 6.2, 6.2-beta_2
eclipse Egit: before 08-12-2014 — fixed in 08-12-2014
Eclipse JGit: before 3.4.2; from 3.5.0 before 3.5.3 — fixed in 3.4.2, 3.5.3
git: before 1.8.5.6; from 1.9.0 before 1.9.5; from 2.0.0 before 2.0.5; from 2.1.0 before 2.1.4; from 2.2.0 before 2.2.1 — fixed in 1.8.5.6, 1.9.5, 2.0.5, 2.1.4, 2.2.1
libgit2: before 0.21.3 — fixed in 0.21.3
mercurial: before 3.2.3 — fixed in 3.2.3

How to fix

Upgrade to a fixed version: eclipse Egit 08-12-2014; Eclipse JGit 3.4.2, 3.5.3; git 1.8.5.6, 1.9.5, 2.0.5, 2.1.4; libgit2 0.21.3; mercurial 3.2.3. Check the vendor advisory for mitigations.

References

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