Related Vulnerabilities: CVE-2017-1000117  

A security issue has been found in git < 2.14.1. A malicious third-party can give a crafted "ssh://..." URL to an unsuspecting victim, and an attempt to visit the URL can result in any program that exists on the victim's machine being executed. Such a URL could be placed in the .gitmodules file of a malicious project, and an unsuspecting victim could be tricked into running "git clone --recurse-submodules" to trigger the vulnerability.

Severity Critical

Remote Yes

Type Arbitrary command execution

Description

A security issue has been found in git < 2.14.1. A malicious third-party can give a crafted "ssh://..." URL to an unsuspecting victim, and an attempt to visit the URL can result in
any program that exists on the victim's machine being executed. Such a URL could be placed in the .gitmodules file of a malicious project, and an unsuspecting victim could be tricked into running "git clone --recurse-submodules" to trigger the vulnerability.

AVG-377 git 2.14.0-1 2.14.1-1 Critical Fixed

12 Aug 2017 ASA-201708-6 AVG-377 git Critical arbitrary command execution

https://lkml.org/lkml/2017/8/10/757