(Red Hat Issues Fix) MySQL 'mysqld_multi' Temporary File Flaw Lets Local Users Overwrite Files
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SecurityTracker Alert ID: 1011823 |
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SecurityTracker URL: http://securitytracker.com/id/1011823
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CVE Reference:
CAN-2004-0388
(Links to External Site)
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Date: Oct 20 2004
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Impact:
Modification of system information, Modification of user information, Root access via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 4.0.18, 3.23.58
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Description:
A vulnerability was reported in the MySQL 'mysqld_multi' script. A local user may be able to gain elevated privileges on the target system.
SuSE reported that the 'mysqld_multi' shell script creates a temporary log file ('/tmp/mysqld_multi.log') in an unsafe manner. A local user can create a symbolic link (symlink) from a critical file on the system to this temporary file. Then, when the script is run by a target user, the symlinked file will be overwritten with the privileges of the target user.
A local user may be able to gain elevated privileges on the target system.
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Impact:
A local user can cause files to be overwritten with the privileges of the target user. A local user may be able to gain elevated privileges on the target system.
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Solution:
Red Hat has released a fix.
Red Hat Enterprise Linux AS (Advanced Server) version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/mysql-3.23.58-1.72.1.src.rpm
1a6ad34678d35aa5c1bfba0ff7290c44 mysql-3.23.58-1.72.1.src.rpm
i386:
a33c7efe12e0a4b0dade197a823a5e42 mysql-3.23.58-1.72.1.i386.rpm
3b0621721b68c67f3d73681c9fbade09 mysql-devel-3.23.58-1.72.1.i386.rpm
63280ad1d2b39d5865a209e2822cec5e mysql-server-3.23.58-1.72.1.i386.rpm
ia64:
73b97bae08854a6bbd25a8ad0e057666 mysql-3.23.58-1.72.1.ia64.rpm
709aff64529b31c9dc3ade3017509d44 mysql-devel-3.23.58-1.72.1.ia64.rpm
311db47abcc5cc79b094804c5b3912f4 mysql-server-3.23.58-1.72.1.ia64.rpm
Red Hat Linux Advanced Workstation 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/mysql-3.23.58-1.72.1.src.rpm
1a6ad34678d35aa5c1bfba0ff7290c44 mysql-3.23.58-1.72.1.src.rpm
ia64:
73b97bae08854a6bbd25a8ad0e057666 mysql-3.23.58-1.72.1.ia64.rpm
709aff64529b31c9dc3ade3017509d44 mysql-devel-3.23.58-1.72.1.ia64.rpm
311db47abcc5cc79b094804c5b3912f4 mysql-server-3.23.58-1.72.1.ia64.rpm
Red Hat Enterprise Linux ES version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/mysql-3.23.58-1.72.1.src.rpm
1a6ad34678d35aa5c1bfba0ff7290c44 mysql-3.23.58-1.72.1.src.rpm
i386:
a33c7efe12e0a4b0dade197a823a5e42 mysql-3.23.58-1.72.1.i386.rpm
3b0621721b68c67f3d73681c9fbade09 mysql-devel-3.23.58-1.72.1.i386.rpm
63280ad1d2b39d5865a209e2822cec5e mysql-server-3.23.58-1.72.1.i386.rpm
Red Hat Enterprise Linux WS version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/mysql-3.23.58-1.72.1.src.rpm
1a6ad34678d35aa5c1bfba0ff7290c44 mysql-3.23.58-1.72.1.src.rpm
i386:
a33c7efe12e0a4b0dade197a823a5e42 mysql-3.23.58-1.72.1.i386.rpm
3b0621721b68c67f3d73681c9fbade09 mysql-devel-3.23.58-1.72.1.i386.rpm
63280ad1d2b39d5865a209e2822cec5e mysql-server-3.23.58-1.72.1.i386.rpm
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Vendor URL: www.mysql.com/ (Links to External Site)
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Cause:
Access control error, State error
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Underlying OS:
Linux (Red Hat Enterprise)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Wed, 20 Oct 2004 15:47 -0400
Subject: [RHSA-2004:597-01] Updated mysql packages fix security issues and
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
- ---------------------------------------------------------------------
Red Hat Security Advisory
Synopsis: Updated mysql packages fix security issues and bugs
Advisory ID: RHSA-2004:597-01
Issue date: 2004-10-20
Updated on: 2004-10-20
Product: Red Hat Enterprise Linux
Obsoletes: RHSA-2003:282
CVE Names: CAN-2004-0381 CAN-2004-0388 CAN-2004-0457 CAN-2004-0835 CAN-2004-0836 CAN-2004-0837 CAN-2004-0957
- ---------------------------------------------------------------------
1. Summary:
Updated mysql packages that fix various security issues, as well as a
number of bugs, are now available for Red Hat Enterprise Linux 2.1.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386
Red Hat Enterprise Linux WS version 2.1 - i386
3. Problem description:
MySQL is a multi-user, multi-threaded SQL database server.
A number security issues that affect the mysql server have been reported:
Oleksandr Byelkin discovered that "ALTER TABLE ... RENAME" checked
the CREATE/INSERT rights of the old table instead of the new one. The
Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned
the name CAN-2004-0835 to this issue.
Lukasz Wojtow discovered a buffer overrun in the mysql_real_connect
function. In order to exploit this issue an attacker would need to force
the use of a malicious DNS server (CAN-2004-0836).
Dean Ellis discovered that multiple threads ALTERing the same (or
different) MERGE tables to change the UNION could cause the server to crash
or stall (CAN-2004-0837).
Sergei Golubchik discovered that if a user is granted privileges to a
database with a name containing an underscore ("_"), the user also gains
the ability to grant privileges to other databases with similar names
(CAN-2004-0957).
Additionally, the following minor temporary file vulnerabilities were
discovered:
- - Stan Bubroski and Shaun Colley found a temporary file vulnerability in
the mysqlbug script (CAN-2004-0381).
- - A temporary file vulnerability was discovered in mysqld_multi
(CAN-2004-0388).
- - Jeroen van Wolffelaar discovered an temporary file vulnerability in the
mysqlhotcopy script when using the scp method (CAN-2004-0457).
All users of mysql should upgrade to these updated packages, which resolve
these issues and also include fixes for a number of small bugs.
4. Solution:
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied. Use Red Hat
Network to download and update your packages. To launch the Red Hat
Update Agent, use the following command:
up2date
For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:
http://www.redhat.com/docs/manuals/enterprise/
5. Bug IDs fixed (http://bugzilla.redhat.com/ for more info):
112693 - mysqlhotcopy of local Fedora DB broken after upgrade from RH9
113960 - [PATCH] Bug fix + enhancement for mysql_setpermission
115165 - botched string concat ?
124352 - Cannot drop databases
129409 - linking with 'mysql --libs' doesent seem to work correctly.
130348 - CAN-2004-0457 mysqlhotcopy insecure temporary file vulnerability
135372 - CAN-2004-0835 MySQL flaws (CAN-2004-0836, CAN-2004-0837, CAN-2004-0957)
6. RPMs required:
Red Hat Enterprise Linux AS (Advanced Server) version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/mysql-3.23.58-1.72.1.src.rpm
1a6ad34678d35aa5c1bfba0ff7290c44 mysql-3.23.58-1.72.1.src.rpm
i386:
a33c7efe12e0a4b0dade197a823a5e42 mysql-3.23.58-1.72.1.i386.rpm
3b0621721b68c67f3d73681c9fbade09 mysql-devel-3.23.58-1.72.1.i386.rpm
63280ad1d2b39d5865a209e2822cec5e mysql-server-3.23.58-1.72.1.i386.rpm
ia64:
73b97bae08854a6bbd25a8ad0e057666 mysql-3.23.58-1.72.1.ia64.rpm
709aff64529b31c9dc3ade3017509d44 mysql-devel-3.23.58-1.72.1.ia64.rpm
311db47abcc5cc79b094804c5b3912f4 mysql-server-3.23.58-1.72.1.ia64.rpm
Red Hat Linux Advanced Workstation 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/mysql-3.23.58-1.72.1.src.rpm
1a6ad34678d35aa5c1bfba0ff7290c44 mysql-3.23.58-1.72.1.src.rpm
ia64:
73b97bae08854a6bbd25a8ad0e057666 mysql-3.23.58-1.72.1.ia64.rpm
709aff64529b31c9dc3ade3017509d44 mysql-devel-3.23.58-1.72.1.ia64.rpm
311db47abcc5cc79b094804c5b3912f4 mysql-server-3.23.58-1.72.1.ia64.rpm
Red Hat Enterprise Linux ES version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/mysql-3.23.58-1.72.1.src.rpm
1a6ad34678d35aa5c1bfba0ff7290c44 mysql-3.23.58-1.72.1.src.rpm
i386:
a33c7efe12e0a4b0dade197a823a5e42 mysql-3.23.58-1.72.1.i386.rpm
3b0621721b68c67f3d73681c9fbade09 mysql-devel-3.23.58-1.72.1.i386.rpm
63280ad1d2b39d5865a209e2822cec5e mysql-server-3.23.58-1.72.1.i386.rpm
Red Hat Enterprise Linux WS version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/mysql-3.23.58-1.72.1.src.rpm
1a6ad34678d35aa5c1bfba0ff7290c44 mysql-3.23.58-1.72.1.src.rpm
i386:
a33c7efe12e0a4b0dade197a823a5e42 mysql-3.23.58-1.72.1.i386.rpm
3b0621721b68c67f3d73681c9fbade09 mysql-devel-3.23.58-1.72.1.i386.rpm
63280ad1d2b39d5865a209e2822cec5e mysql-server-3.23.58-1.72.1.i386.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key.html#package
7. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0381
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0388
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0457
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0835
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0836
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0837
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0957
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact.html
Copyright 2004 Red Hat, Inc.
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