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Message-ID: <CADSYzstomCU7KFOqX1u30Cej=OG3-FjCMpHPvsoCysHPoen1jw@mail.gmail.com>
Date: Mon, 12 Sep 2016 06:09:10 -0300
From: Dawid Golunski <dawid@...alhackers.com>
To: oss-security@...ts.openwall.com
Subject: CVE-2016-6662 - MySQL Remote Root Code Execution / Privilege
Escalation ( 0day )
Vulnerability: MySQL Remote Root Code Execution / Privilege Escalation 0day
CVE: CVE-2016-6662
Severity: Critical
Affected MySQL versions (including the latest):
<= 5.7.15
<= 5.6.33
<= 5.5.52
Discovered by:
Dawid Golunski
http://legalhackers.com
An independent research has revealed multiple severe MySQL vulnerabilities.
This advisory focuses on a critical vulnerability with a CVEID of CVE-2016-6662.
The vulnerability affects MySQL servers in all version branches
(5.7, 5.6, and 5.5) including the latest versions, and could be exploited by
both local and remote attackers.
Both the authenticated access to MySQL database (via network
connection or web interfaces such as phpMyAdmin) and SQL Injection
could be used as exploitation vectors.
Successful exploitation could allow attackers to execute arbitrary code with
root privileges which would then allow them to fully compromise the server on
which an affected version of MySQL is running.
This advisory provides a (limited) Proof-Of-Concept MySQL exploit
which demonstrates how Remote Root Code Execution could be achieved by
attackers.
Full PoC (which works on default installations without the need for
the attacker to find writable config files) will be provided later on
to give users a chance to react to this advisory as the issue has not
been patched by all the
affected vendors yet despite efforts.
The exploitation is interesting in the way that it involves an
oldschool LD_PRELOAD environment variable and that it targets a
service that doesn't
serve requests as root but could still be tricked to get root RCE when
restarted.
Might give you strange feelings when restarting mysql service the next time ;)
The advisory is available at:
http://legalhackers.com/advisories/MySQL-Exploit-Remote-Root-Code-Execution-Privesc-CVE-2016-6662.html
--
Regards,
Dawid Golunski
http://legalhackers.com
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