Oracle MySQL 'ALTER DATABASE' Remote Denial Of Service Vulnerability

2010.08.04

Credit: Shane Bester

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2010-2008

CWE: CWE-20

CVSS Base Score: 3.5/10

Impact Subscore: 2.9/10

Exploitability Subscore: 6.8/10

Exploit range: Remote

Attack complexity: Medium

Authentication: Single time

Confidentiality impact: None

Integrity impact: None

Availability impact: Partial

A vulnerability was reported in MySQL. A remote authenticated user can
cause denial of service conditions.
This issue affects versions prior to MySQL 5.1.48.
A remote authenticated user can send a specially crafted ALTER DATABASE
command to cause the target server to move a data directory into a new
subdirectory, causing the data directory to become unusable.
A demonstration exploit request is provided [where "<special>" is "." or
".." or is a sequence that begins with "./" or "../"]:
ALTER DATABASE `#mysql50#<special>` UPGRADE DATA DIRECTORY NAME
Vendor advisory at:
http://dev.mysql.com/doc/refman/5.1/en/news-5-1-48.html

References:

http://www.vupen.com/english/advisories/2010/1918

http://www.securitytracker.com/id?1024160

http://www.securityfocus.com/bid/41198

http://secunia.com/advisories/40762

http://secunia.com/advisories/40333

http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044546.html

http://dev.mysql.com/doc/refman/5.1/en/news-5-1-48.html

http://bugs.mysql.com/bug.php?id=53804

See this note in RAW Version

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Oracle MySQL 'ALTER DATABASE' Remote Denial Of Service Vulnerability

References:

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