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Category:   Application (Generic)  >   Rsync Vendors:   Samba.org
Rsync Symlink Path Validation Flaw Lets Remote Users Write Files on the Target System
SecurityTracker Alert ID:  1034786
SecurityTracker URL:  http://securitytracker.com/id/1034786
CVE Reference:   CVE-2014-9512   (Links to External Site)
Date:  Jan 22 2016
Impact:   Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 3.1.1
Description:   A vulnerability was reported in Rsync. A remote user can write files on the target system.

A remote server can use symbolic links exploit a path validation flaw to write files on the target client system.

The original advisory is available at:

http://xteam.baidu.com/?p=169

Yaseng of Baidu X-team reported this vulnerability.

Impact:   A remote user can write files on the target system.
Solution:   The vendor has issued a fix (3.1.2).

The vendor's advisory is available at:

https://rsync.samba.org/security.html#s3_1_2

Vendor URL:  rsync.samba.org/security.html#s3_1_2 (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 22 2016 (Ubuntu Issues Fix) Rsync Symlink Path Validation Flaw Lets Remote Users Write Files on the Target System
Ubuntu has issued a fix for Ubuntu Linux 12.04 LTS, 14.04 LTS, 15.04, and 15.10.



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