Git 2.2.1 Released To Fix Critical Security Issue
Written by Michael Larabel in Free Software on 18 December 2014 at 05:39 PM EST. 2 Comments
FREE SOFTWARE --
Git 2.2.1 was released this afternoon to fix a critical security vulnerability in Git clients. Fortunately, the vulnerability doesn't plague Unix/Linux users but rather OS X and Windows.

Today's Git vulnerability affects those using the Git client on case-insensitive file-systems. On case-insensitive platforms like Windows and OS X, committing to .Git/config could overwrite the user's .git/config and could lead to arbitrary code execution. Fortunately with most Phoronix readers out there running Linux, this isn't an issue thanks to case-sensitive file-systems.

Besides the attack vector from case insensitive file-systems, Windows and OS X's HFS+ would map some strings back to .git too if certain characters are present, which could lead to overwriting the Git config file. Git 2.2.1 addresses these issues.

More details via the Git 2.2.1 release announcement and GitHub has additional details.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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