Achievo 1.4.3 – Cross-Site Request Forgery
Advisory Name: Cross Site Request Forgery in Achievo 1.4.3 Internal Cybsec Advisory Id: 2010-08-03 Vulnerability Class: Cross Site Request Forgery Release Date: 2010-Sept-28 Affected Applications: Achievo 1.4.3 (other versions may be also vulnerable) Affected Platforms: Any Local / Remote: Remote Severity: Medium CVSS#2: 4.0 (AV:N/AC:L/Au:S/C:N/I:P/A:N) Researcher: Pablo G. Milano Vendor Status: Confirmed / Patch is available Reference to Vulnerability Disclosure Policy: http://www.cybsec.com/vulnerability_policy.pdf Vulnerability Description: As application does not properly validate the “confirm” parameter in URL, a logged-in achievo user may be tricked to access an URL leading to deletion of tasks or projects without user.s confirmation Proof of Concept: 1) To delete a project: http://server/dispatch.php?atknodetype=project.project&atkselector=project.id='XXXX'&atkaction=delete&atklevel=1&atkprevlevel=0&confirm=Yes (where XXXX is the project ID number) 2) To delete an activity: http://server/dispatch.php?atknodetype=timereg.hours&atkaction=delete&atkselector=hoursbase.id='XXXX'&confirm=Yes (where „XXXX. is the actual ID of the activity to be deleted) Note: Even though a confirmation message is displayed to the user, at that point the activity has already been deleted. Solution: Upgrade to version 1.4.5 Vendor Response: 2010-Aug-04: Vendor is contacted 2010-Aug-05: Vulnerabilities details are sent to vendor 2010-Aug-25: Vendor informs status 2010-Sept-27: Vendor and researcher agree publication date 2010-Sept-28: Vulnerability public disclosure / Patch is released Contact Information: For more information regarding the vulnerability feel free to contact the researcher at pmilano <at> cybsec <dot> com About CYBSEC S.A. Security Systems Since 1996, CYBSEC is engaged exclusively in rendering professional services specialized in Information Security. Their area of services covers Latin America, Spain and over 250 customers are a proof of their professional life. To keep objectivity, CYBSEC S.A. does not represent, neither sell, nor is associated with other software and/or hardware provider companies. Our services are strictly focused on Information Security, protecting our clients from emerging security threats, maintaining their IT deployments available, safe, and reliable. Beyond professional services, CYBSEC is continuously researching new defense and attack techniques and contributing with the security community with high quality information exchange. For more information, please visit www.cybsec.com (c) 2010 - CYBSEC S.A. Security Systems |