CVE-2013-4522 Information

Description

lib/filelib.php in Moodle through 2.2.11 2.3.x before 2.3.10 2.4.x before 2.4.7 and 2.5.x before 2.5.3 does not send \Cache-Control: private\ HTTP headers which allows remote attackers to obtain sensitive information by requesting a file that had been previously retrieved by a caching proxy server.

Reference

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38743 http://openwall.com/lists/oss-security/2013/11/25/1 https://moodle.org/mod/forum/discuss.php?d=244479