The Indexed Search Engine (indexed_search) system extension in TYPO3 4.0.0 through 4.0.9, 4.1.0 through 4.1.7, and 4.2.0 through 4.2.3 allows remote attackers to execute arbitrary commands via a crafted filename containing shell metacharacters, which is not properly handled by the command-line indexer.
https://exchange.xforce.ibmcloud.com/vulnerabilities/48138
http://www.securityfocus.com/bid/33376
http://www.openwall.com/lists/oss-security/2009/01/23/4
http://www.debian.org/security/2009/dsa-1711
http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-001/