Zend Platform 2.2.3 and earlier has incorrect ownership for scd.sh and certain other files, which allows local users to gain root privileges by modifying the files. NOTE: this only occurs when safe_mode and open_basedir are disabled; other settings require leverage for other vulnerabilities.
https://exchange.xforce.ibmcloud.com/vulnerabilities/32825
http://www.zend.com/products/zend_platform/security_vulnerabilities
http://www.vupen.com/english/advisories/2007/0829
http://www.securityfocus.com/bid/22801