[manjaro-security] [arch-security] [ASA-201708-6] git: arbitrary command execution

[Remi Gacogne]

Arch Linux Security Advisory ASA-201708-6
=========================================

Severity: Critical
Date    : 2017-08-12
CVE-ID  : CVE-2017-1000117
Package : git
Type    : arbitrary command execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-377

Summary
=======

The package git before version 2.14.1-1 is vulnerable to arbitrary
command execution.

Resolution
==========

Upgrade to 2.14.1-1.

# pacman -Syu "git>=2.14.1-1"

The problem has been fixed upstream in version 2.14.1.

Workaround
==========

None.

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.

Impact
======

A remote attacker can execute arbitrary command on the affected host by
tricking a user into executing a git command.

References
==========

https://lkml.org/lkml/2017/8/10/757
https://security.archlinux.org/CVE-2017-1000117

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