Bug 1895432 (CVE-2020-25701) - CVE-2020-25701 moodle: tool_uploadcourse creates new enrol instances unexpectedly in some circumstances
Summary: CVE-2020-25701 moodle: tool_uploadcourse creates new enrol instances unexpect...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-25701
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1899541 1899542
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-11-06 16:40 UTC by Michael Kaplan
Modified: 2021-02-16 14:33 UTC (History)
4 users (show)

Fixed In Version: moodle 3.9.3, moodle 3.8.6, moodle 3.7.9, moodle 3.5.15, moodle 3.10
Doc Type: If docs needed, set a value
Doc Text:
If the upload course tool was used to delete an enrolment method which did not exist or was not already enabled, the tool would erroneously enable that enrolment method. This could lead to unintended users gaining access to the course.
Clone Of:
Environment:
Last Closed: 2020-11-19 17:28:42 UTC
Embargoed:

Attachments (Terms of Use)

Description Michael Kaplan 2020-11-06 16:40:09 UTC 
If the upload course tool was used to delete an enrolment method which did not exist or was not already enabled, the tool would erroneously enable that enrolment method. This could lead to unintended users gaining access to the course.

Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5, 3.7 to 3.7.8, 3.5 to 3.5.14 and earlier unsupported versions
Comment 1 Michael Kaplan 2020-11-06 16:40:11 UTC 
Acknowledgments:

Name: Víctor Déniz Falcón
Comment 2 Michael Kaplan 2020-11-19 14:05:43 UTC 
External References:

https://moodle.org/mod/forum/discuss.php?d=413939
Comment 3 Michael Kaplan 2020-11-19 14:06:01 UTC 
Created moodle tracking bugs for this issue:

Affects: epel-all [bug 1899541]
Affects: fedora-all [bug 1899542]
Comment 4 Product Security DevOps Team 2020-11-19 17:28:42 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
Note You need to log in before you can comment on or make changes to this bug.