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CVE-2009-4030

4.4 · MEDIUM

MySQL 5.1.x before 5.1.41 allows local users to bypass certain privilege checks by calling CREATE TABLE on a MyISAM table with modified (1) DATA DIRECTORY or (2) INDEX DIRECTORY arguments that are…

Published Nov 30, 2009mysqlCWE-59EPSS 0.43%

Overview

CVE-2009-4030 is a medium-severity vulnerability affecting mysql mysql. It was published on November 30, 2009 and has a CVSS 2.0 base score of 4.4 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

MySQL 5.1.x before 5.1.41 allows local users to bypass certain privilege checks by calling CREATE TABLE on a MyISAM table with modified (1) DATA DIRECTORY or (2) INDEX DIRECTORY arguments that are originally associated with pathnames without symlinks, and that can point to tables created at a future time at which a pathname is modified to contain a symlink to a subdirectory of the MySQL data home directory, related to incorrect calculation of the mysql_unpacked_real_data_home value. NOTE: this vulnerability exists because of an incomplete fix for CVE-2008-4098 and CVE-2008-2079.

Remediation

Check the references section for vendor advisories and patches from mysql. Update mysql to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refbugs.mysql.com/bug.php?id=32167Refdev.mysql.com/doc/refman/5.1/en/news-5-1-41.htmlReflists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlReflists.mysql.com/commits/89940Reflists.opensuse.org/opensuse-security-announce/2010-05/msg00001.htmlReflists.opensuse.org/opensuse-security-announce/2010-11/msg00005.htmlRefmarc.info/?l=oss-security&m=125908040022018&w=2Refmarc.info/?l=oss-security&m=125908080222685&w=2Refsecunia.com/advisories/38517Refsecunia.com/advisories/38573

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4030?

CVE-2009-4030 is a medium-severity vulnerability affecting mysql mysql. It was published on November 30, 2009 and has a CVSS 2.0 base score of 4.4 (MEDIUM).

How severe is CVE-2009-4030?

This vulnerability has a CVSS 2.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-4030?

Check the references section for vendor advisories and patches from mysql. Update mysql to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-4030?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4030 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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