Multiple critical Atlassian product vulnerabilities

Overnight Atlassian release security alerts across their product suite for critical security defects in their product suite.

The defects include a remote privilege escalation for unauthenticated users.

Release notes:

* https://confluence.atlassian.com/display/JIRA/JIRA+security+advisory+2014-02-26 * https://confluence.atlassian.com/display/DOC/Confluence+security+advisory+2014-02-26 * https://confluence.atlassian.com/display/FISHEYE/Fisheye+and+Crucible+security+advisory+2014-02-26 * https://confluence.atlassian.com/display/CRUCIBLE/Fisheye+and+Crucible+security+advisory+2014-02-26 * https://confluence.atlassian.com/display/BAMBOO/Bamboo+security+advisory+2014-02-26 * https://confluence.atlassian.com/display/STASH/Stash+security+advisory+2014-02-26