The XMLParse procedure in SAP Sybase Adaptive Server Enterprise (ASE) 15.7 ESD 2 allows remote authenticated users to read arbitrary files via a SQL statement containing an XML document with an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.
https://www.exploit-db.com/exploits/38805/
https://exchange.xforce.ibmcloud.com/vulnerabilities/88105
http://www.securitytracker.com/id/1029208
http://www.securityfocus.com/bid/63193