2014-07-11 Instructure Advisory IAC00318 - Inadvertent preview of locked files

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SECURITY UPDATE

Release Date:	2014-07-11 (Last update can be found below the document title)
Description:	Inadvertent preview of locked files
Criticality Level:	Moderately Critical ( Less Critical < Critical < Moderately Critical < Highly Critical )
Impact:	Possible information leakage and/or unauthorized access
Systems Affected:	Canvas LMS
Solution Status:	Patched
Discovered By:	Customer discovered and reported
Relevant Changesets:	https://github.com/instructure/canvas-lms/commit/13dbb09bd420b4e268b0a6720c31c56367df9538

Summary:

A vulnerability was discovered within the Canvas codebase which could allow for unauthorized previewing of locked documents.

Status:

Fixed in Canvas Cloud as of 7/11/2014. Users of Canvas CV are encouraged to either update to the most recent stable code or apply the patch manually.

About

Bio

Jordan has had various roles in the ed tech software (SAAS) industry for the past 9 years. (almost 5 years with Instructure). In his previous company he was a Client Services Manager for two years (responsible for account management, implementation, project management, and training, for each of his customers). After a year and a half he was commissioned to build a training department, all policies and procedures, and deliver training for all customers. Over the past eight years he has been in charge of conceiving, producing and deploying eLearning initiatives and strategies. He has trained over 3,000 adult learners with a wide range of technical aptitude, including K-12 Teachers, Principals, Administrators, Superintendents, Higher Ed Professors, Doctors, CTO’s, and Corporate Business Professionals and Executives. Jordan is an instructional designer and Community Manager for Instructure with a focus on connecting Canvas users with tools and resources that will help them get excited about and become proficient in utilizing the Canvas Learning Platform.