Unspecified vulnerability in the MySQL Server component in Oracle MySQL 5.1.64 and earlier, and 5.5.26 and earlier, allows remote authenticated users to affect confidentiality, integrity, and availability via unknown vectors related to Information Schema.

Common Vulnerabilities and Exposures assigned an identifier CVE-2009-4484 to the following vulnerability:

Buffer overflow in the server in MySQL 5.0.51a on Linux allows remote attackers to execute arbitrary code via crafted data to TCP port 3306, as demonstrated by the vdmysql5 module in VulnDisco Pack Professional 8.11. NOTE: as of 20100106, this disclosure has no actionable information. However, because the VulnDisco Pack author is a reliable researcher, the issue is being assigned a CVE identifier for tracking purposes.

References: http://intevydis.blogspot.com/2010/01/jan-4-2010-mysql-exploit-demo.html http://intevydis.com/vd-list.shtml http://isc.sans.org/diary.html?storyid=7900 http://www.securityfocus.com/bid/37640

More details about the issue may be disclosed in about 2 weeks: http://intevydis.blogspot.com/2010/01/jan-72010-0day-awareness.html