[OpenPKG-SA-2004.014] OpenPKG Security Advisory (mysql)

[OpenPKG]

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OpenPKG Security Advisory The OpenPKG Project
http://www.openpkg.org/security.html http://www.openpkg.org
openpkg-security@openpkg.org openpkg@openpkg.org
OpenPKG-SA-2004.014 14-Apr-2004
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Package: mysql
Vulnerability: insecure temporary file creation
OpenPKG Specific: no

Affected Releases: Affected Packages: Corrected Packages:
OpenPKG CURRENT <= mysql-4.0.18-20040214 >= mysql-4.0.18-20040414
OpenPKG 2.0 <= mysql-4.0.18-2.0.0 >= mysql-4.0.18-2.0.1
OpenPKG 1.3 <= mysql-4.0.14-1.3.2 >= mysql-4.0.14-1.3.3

Dependent Packages: none

Description:
Shaun Colley discovered [1] that the scripts "mysqlbug" and
"mysqld_multi" of the MySQL RDBMS [0] perform insecure creations of
temporary files. An attacker could create symbolic links in /tmp to
achieve the overwriting of files with the privileges of the user
invoking the scripts. The RDBMS startup wrapper "mysqld_multi" is
currently not used in OpenPKG, although it is contained in the
"mysql" package. The "mysqlbug" script could be run manually by the
administrator. The Common Vulnerabilities and Exposures (CVE) project
assigned the ids CAN-2004-0381 [2] and CAN-2004-0388 [3] to the
problem.

Please check whether you are affected by running "<prefix>/bin/rpm -q
mysql". If you have the "mysql" package installed and its version is
affected (see above), we recommend that you immediately upgrade it
(see Solution). [4][5]

Solution:
Select the updated source RPM appropriate for your OpenPKG release
[6][7], fetch it from the OpenPKG FTP service [8][9] or a mirror
location, verify its integrity [10], build a corresponding binary
RPM from it [4] and update your OpenPKG installation by applying the
binary RPM [5]. For the most recent release OpenPKG 2.0, perform the
following operations to permanently fix the security problem (for
other releases adjust accordingly).

$ ftp ftp.openpkg.org
ftp> bin
ftp> cd release/2.0/UPD
ftp> get mysql-4.0.18-2.0.1.src.rpm
ftp> bye
$ <prefix>/bin/openpkg rpm -v --checksig mysql-4.0.18-2.0.1.src.rpm
$ <prefix>/bin/openpkg rpm --rebuild mysql-4.0.18-2.0.1.src.rpm
$ su -
# <prefix>/bin/openpkg rpm -Fvh <prefix>/RPM/PKG/mysql-4.0.18-2.0.1.*.rpm
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References:
[0] http://www.mysql.com/
[1] http://www.nettwerked.co.uk/advisories/mysqlbug
[2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0381
[3] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0388
[4] http://www.openpkg.org/tutorial.html#regular-source
[5] http://www.openpkg.org/tutorial.html#regular-binary
[6] ftp://ftp.openpkg.org/release/1.3/UPD/mysql-4.0.14-1.3.3.src.rpm
[7] ftp://ftp.openpkg.org/release/2.0/UPD/mysql-4.0.18-2.0.1.src.rpm
[8] ftp://ftp.openpkg.org/release/1.3/UPD/
[9] ftp://ftp.openpkg.org/release/2.0/UPD/
[10] http://www.openpkg.org/security.html#signature
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For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG <openpkg@openpkg.org>" (ID 63C4CB9F) of the
OpenPKG project which you can retrieve from http://pgp.openpkg.org and
hkp://pgp.openpkg.org. Follow the instructions on http://pgp.openpkg.org/
for details on how to verify the integrity of this advisory.
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