Canvas Community/Product Forums/Security Notices

Instructure Advisory IAC48510 - SQL Sanitization Vulnerability

Brian Palmer
posted this on November 17, 2011 12:06

Instructure Advisory IAC48510

Release Date 2011-11-17
Last Update 2011-11-30
CVE http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4641
Description SQL Sanitization Vulnerability
Criticality Level Highly Critical
Impact
  • Manipulation of data
  • Exposure of sensitive information
  • Privilege escalation
Authentication level Logged in Canvas users
Systems Affected Canvas LMS
Solution Status Patched
Discovered By Securus Global
Relevant Changesets https://github.com/instructure/canvas-lms/commit/2183ac7e1006cbfb49a18780d1de767fd753bd45

A security audit has identified a SQL injection attack vector in the file re-ordering capability, available in the users file area and the course/group file areas.

Solution: A fix to properly escape the posted user input has been developed and deployed to Canvas Cloud. Users of Canvas CV are encouraged to either update to the most recent stable code or apply the patch manually immediately.

 

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Brian Palmer
Instructure, Inc.

Updated on 2011-11-30 to include the CVE identifier.

November 30, 2011 15:28