* [gentoo-announce] [ GLSA 201711-04 ] MariaDB, MySQL: Root privilege escalation
@ 2017-11-10 22:47 99% Aaron Bauman
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From: Aaron Bauman @ 2017-11-10 22:47 UTC (permalink / raw
To: gentoo-announce
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Gentoo Linux Security Advisory GLSA 201711-04
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https://security.gentoo.org/
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Severity: Normal
Title: MariaDB, MySQL: Root privilege escalation
Date: November 10, 2017
Bugs: #635704, #635706
ID: 201711-04
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Synopsis
========
A vulnerability was discovered in MariaDB and MySQL which may allow
local users to gain root privileges.
Background
==========
MySQL is a popular multi-threaded, multi-user SQL server. MariaDB is an
enhanced, drop-in replacement for MySQL.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-db/mariadb < 10.0.30-r1 >= 10.0.30-r1
2 dev-db/mysql < 5.6.36-r1 >= 5.6.36-r1
-------------------------------------------------------------------
2 affected packages
Description
===========
The Gentoo installation scripts before 2017-09-29 have chown calls for
user-writable directory trees, which allows local users to gain
privileges by leveraging access to the mysql account for creation of a
link.
Impact
======
A local attacker could escalate privileges to root.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All MariaDB users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-db/mariadb-10.0.30-r1"
All MySQL users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-db/mysql-5.6.36-r1"
References
==========
[ 1 ] CVE-2017-15945
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15945
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201711-04
Concerns?
=========
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