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Category:   Application (Generic)  >   Git Vendors:   kernel.org
(Ubuntu Issues Fix) Git 'ssh://' URL Processing Flaw Lets Remote Users Execute Arbitrary Commands on the Target System
SecurityTracker Alert ID:  1039154
SecurityTracker URL:  http://securitytracker.com/id/1039154
CVE Reference:   CVE-2017-1000117   (Links to External Site)
Date:  Aug 15 2017
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Git. A remote user can execute arbitrary code on the target system.

A remote user (e.g., repository) can return a specially crafted 'ssh://' URL to execute arbitrary shell commands on the target user' system. The code will run with the privileges of the target user.

The vulnerability can be triggered during 'clone' commands.

The original advisory is available at:

http://blog.recurity-labs.com/2017-08-10/scm-vulns

Joern Schneeweisz of Recurity Labs reported this vulnerability.

Impact:   A remote user can execute arbitrary shell commands on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

tps://www.ubuntu.com/usn/usn-3387-1

Vendor URL:  www.ubuntu.com/usn/usn-3387-1 (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  14.04 LTS, 16.04 LTS, 17.04

Message History:   This archive entry is a follow-up to the message listed below.
Aug 11 2017 Git 'ssh://' URL Processing Flaw Lets Remote Users Execute Arbitrary Commands on the Target System



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