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Category:   Application (Database)  >   MySQL Vendors:   MySQL.com, Oracle
(Ubuntu Issues Fix) MySQL General Query Logging Function Lets Remote Authenticated Users Modify the 'my.cnf' File to Gain Elevated Privileges
SecurityTracker Alert ID:  1036781
SecurityTracker URL:  http://securitytracker.com/id/1036781
CVE Reference:   CVE-2016-6662   (Links to External Site)
Date:  Sep 13 2016
Impact:   Execution of arbitrary code via network, Modification of system information, Modification of user information, Root access via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 5.5.52, 5.6.33, 5.7.15; and prior versions
Description:   A vulnerability was reported in MySQL. A remote authenticated user can gain elevated privileges.

A remote authenticated user with SELECT/FILE permissions can exploit a flaw in the MySQL general query logging function to modify or create a 'my.cnf' file and cause arbitrary code to be executed with elevated privileges on the target system when the MySQL service is subsequently restarted.

The vendor was notified on July 29, 2016.

The original advisory and demonstration exploit code is available at:

http://legalhackers.com/advisories/MySQL-Exploit-Remote-Root-Code-Execution-Privesc-CVE-2016-6662.html

Dawid Golunski of legalhackers.com reported this vulnerability.

Impact:   A remote authenticated user with SELECT/FILE permissions can gain elevated privileges on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-3078-1

Vendor URL:  www.ubuntu.com/usn/usn-3078-1 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 LTS, 14.04 LTS, 16.04 LTS

Message History:   This archive entry is a follow-up to the message listed below.
Sep 12 2016 MySQL General Query Logging Function Lets Remote Authenticated Users Modify the 'my.cnf' File to Gain Elevated Privileges



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