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gentoo-overlay/metadata/glsa/glsa-200409-02.xml

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<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200409-02">
<title>MySQL: Insecure temporary file creation in mysqlhotcopy</title>
<synopsis>
The mysqlhotcopy utility can create temporary files with predictable paths,
allowing an attacker to use a symlink to trick MySQL into overwriting
important data.
</synopsis>
<product type="ebuild">MySQL</product>
<announced>September 01, 2004</announced>
<revised>September 01, 2004: 01</revised>
<bug>60744</bug>
<access>local</access>
<affected>
<package name="dev-db/mysql" auto="yes" arch="*">
<unaffected range="ge">4.0.20-r1</unaffected>
<vulnerable range="le">4.0.20</vulnerable>
</package>
</affected>
<background>
<p>
MySQL is a popular open-source multi-threaded, multi-user SQL database
server.
</p>
</background>
<description>
<p>
Jeroen van Wolffelaar discovered that the MySQL database hot copy utility
(mysqlhotcopy.sh), when using the scp method, uses temporary files with
predictable names. A malicious local user with write access to the /tmp
directory could create a symbolic link pointing to a file, which may then
be overwritten. In cases where mysqlhotcopy is run as root, a malicious
user could create a symlink to a critical file such as /etc/passwd and
cause it to be overwritten.
</p>
</description>
<impact type="normal">
<p>
A local attacker could use this vulnerability to destroy other users' data
or corrupt and destroy system files, possibly leading to a denial of
service condition.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All MySQL users should upgrade to the latest version:
</p>
<code>
# emerge sync
# emerge -pv ">=dev-db/mysql-4.0.20-r1"
# emerge ">=dev-db/mysql-4.0.20-r1"</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0457">CAN-2004-0457</uri>
</references>
<metadata tag="requester" timestamp="Tue, 31 Aug 2004 08:03:33 +0000">
jaervosz
</metadata>
<metadata tag="submitter" timestamp="Tue, 31 Aug 2004 15:42:33 +0000">
koon
</metadata>
</glsa>