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Diffstat (limited to 'metadata/glsa/glsa-200405-20.xml')
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1 files changed, 67 insertions, 0 deletions
diff --git a/metadata/glsa/glsa-200405-20.xml b/metadata/glsa/glsa-200405-20.xml new file mode 100644 index 000000000000..880c01beb54a --- /dev/null +++ b/metadata/glsa/glsa-200405-20.xml @@ -0,0 +1,67 @@ +<?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 count="01">2004-05-25</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 ">=dev-db/mysql-4.0.18-r2" + # emerge ">=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> |