Scrips_Overlay.pm in Best Practical Solutions RT before 3.8.9 does not properly restrict access to a TicketObj in a Scrip after a CurrentUser change, which allows remote authenticated users to obtain sensitive information via unspecified vectors, as demonstrated by custom-field value information, related to SQL logging.
https://github.com/bestpractical/rt/commit/2338cd19ed7a7f4c1e94f639ab2789d6586d01f3
https://exchange.xforce.ibmcloud.com/vulnerabilities/65772
http://www.vupen.com/english/advisories/2011/0475
http://secunia.com/advisories/43438
http://openwall.com/lists/oss-security/2011/02/24/9
http://openwall.com/lists/oss-security/2011/02/24/8
http://openwall.com/lists/oss-security/2011/02/24/7
http://openwall.com/lists/oss-security/2011/02/23/22
http://openwall.com/lists/oss-security/2011/02/22/6
http://openwall.com/lists/oss-security/2011/02/22/16
http://openwall.com/lists/oss-security/2011/02/22/12
http://lists.bestpractical.com/pipermail/rt-announce/2011-February/000186.html