The (1) order and (2) group methods in Zend_Db_Select in the Zend Framework before 1.12.19 might allow remote attackers to conduct SQL injection attacks via vectors related to use of the character pattern [\w]*
in a regular expression.
framework.zend.com/security/advisory/ZF2016-02
github.com/FriendsOfPHP/security-advisories/blob/master/zendframework/zendframework1/CVE-2016-6233.yaml
github.com/zendframework/zendframework
lists.fedoraproject.org/archives/list/[email protected]/message/2JUKFTI6ABK7ZN7IEAGPCLAHCFANMID2
lists.fedoraproject.org/archives/list/[email protected]/message/N27AV6AL6B4KGEP3VIMIHQ5LFAKF5FTU
lists.fedoraproject.org/archives/list/[email protected]/message/UR5HXNGIUSSIZKMSZYMPBEPZEZTYFTIT
nvd.nist.gov/vuln/detail/CVE-2016-6233
security.gentoo.org/glsa/201804-10
web.archive.org/web/20210123152547/www.securityfocus.com/bid/91802