Vulnerability CVE-2014-9390
Published: 2020-02-12

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; libgit2; Egit; and JGit 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.

See advisories in our WLB2 database:
Topic
Author
Date
High
Malicious Git And Mercurial HTTP Server
Jon
03.01.2015
High
GIT 1.8.5.6 - 2.2.1 & Mercurial < 3.2.3 - Multiple Vulnerabilities
Jon Hart
23.03.2017

 References:
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://github.com/blog/1938-git-client-vulnerability-announced
https://news.ycombinator.com/item?id=8769667
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