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authorV3n3RiX <venerix@redcorelinux.org>2017-10-09 18:53:29 +0100
committerV3n3RiX <venerix@redcorelinux.org>2017-10-09 18:53:29 +0100
commit4f2d7949f03e1c198bc888f2d05f421d35c57e21 (patch)
treeba5f07bf3f9d22d82e54a462313f5d244036c768 /metadata/glsa/glsa-200405-20.xml
reinit the tree, so we can have metadata
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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200405-20">
+ <title>Insecure Temporary File Creation In MySQL</title>
+ <synopsis>
+ Two MySQL utilities create temporary files with hardcoded paths, allowing
+ an attacker to use a symlink to trick MySQL into overwriting important
+ data.
+ </synopsis>
+ <product type="ebuild">MySQL</product>
+ <announced>2004-05-25</announced>
+ <revised>2004-05-25: 01</revised>
+ <bug>46242</bug>
+ <access>local </access>
+ <affected>
+ <package name="dev-db/mysql" auto="yes" arch="*">
+ <unaffected range="ge">4.0.18-r2</unaffected>
+ <vulnerable range="lt">4.0.18-r2</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ MySQL is a popular open-source multi-threaded, multi-user SQL database
+ server.
+ </p>
+ </background>
+ <description>
+ <p>
+ The MySQL bug reporting utility (mysqlbug) creates a temporary file to log
+ bug reports to. A malicious local user with write access to the /tmp
+ directory could create a symbolic link of the name mysqlbug-<i>N</i>
+ pointing to a protected file, such as /etc/passwd, such that when mysqlbug
+ creates the <i>N</i>th log file, it would end up overwriting the target
+ file. A similar vulnerability exists with the mysql_multi utility, which
+ creates a temporary file called mysql_multi.log.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ Since mysql_multi runs as root, a local attacker could use this to destroy
+ any other users' data or corrupt and destroy system files.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ One could modify both scripts to log to a directory that users do not have
+ write permission to, such as /var/log/mysql/.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All users should upgrade to the latest stable version of MySQL.
+ </p>
+ <code>
+ # emerge sync
+
+ # emerge -pv "&gt;=dev-db/mysql-4.0.18-r2"
+ # emerge "&gt;=dev-db/mysql-4.0.18-r2"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0381">CAN-2004-0381</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0388">CAN-2004-0388</uri>
+ </references>
+ <metadata tag="submitter">
+ dmargoli
+ </metadata>
+</glsa>