The 2.3.3 release of Crucible contains some security related fixes, which are part of the shared FishEye architecture. The following information for FishEye applies equally to Crucible.
The Crucible Download Centre has the updates for Crucible.
Atlassian rates this vulnerability as critical, according to the scale published in Severity Levels for Security Issues. The scale allows us to rank a vulnerability as critical, high, moderate or low.
We have identified and fixed a remote code exploit vulnerability which affects FishEye and Crucible instances.
This vulnerability allows a motivated attacker to call remote code on the host server.
All versions of FishEye/Crucible up to version 2.3.2 are affected by this vulnerability.
All versions up to and including 2.3.2.
2.3.3 update, also available as patches for 2.3.2 and 2.2.3.
This vulnerability has been discovered in XWork by OpenSymphony, a command pattern framework which is used by FishEye and Crucible.
See OpenSymphony XWork for more information about XWork.
We strongly recommend either upgrading or patching your FishEye/Crucible installation to fix this vulnerability. Please see the 'Fix' section below.
These issues have been fixed in FishEye 2.3.3 (see the changelog).
It has also been fixed in Crucible 2.3.3 (see the changelog).
Later versions will include protection from this vulnerability.
This fix is also provided as a patch for FishEye/Crucible 2.3.2 and 2.2.3, which you can download from links on this page. Customers on earlier point versions of FishEye/Crucible will have to upgrade to version 2.3.2 or 2.2.3 before applying the patch. Atlassian recommends you upgrade to FishEye/Crucible 2.3.3.
These patch releases contain security fixes, which apply to the shared FishEye architecture that is the basis of both FishEye and Crucible.
Please note that these patches are for specific point versions of FishEye (2.3.2 and 2.2.3). If you are running an earlier version than these, you will need to upgrade to a version specifically addressed by one of these patches. Atlassian strongly recommends that you upgrade to FishEye 2.3.3 / Crucible 2.3.3 or later.
MD5 checksums are provided to allow verification of the downloaded files.
Our thanks to Meder Kydyraliev of the Google Security Team who discovered this vulnerability. Atlassian fully supports the reporting of vulnerabilities and appreciates it when people work with Atlassian to identify and solve the problem.