Bug 1692936 (CVE-2019-3852)

Summary:	CVE-2019-3852 moodle: get_with_capability_join/get_users_by_capability not aware of context freezing
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	gwync, igor.raits, sergio
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	moodle 3.6.3	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:52:10 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1692937, 1692938
Bug Blocks:

Description Laura Pardo 2019-03-26 17:14:17 UTC

A vulnerability was found in moodle before version 3.6.3. The get_with_capability_join and get_users_by_capability functions were not taking context freezing into account when checking user capabilities

Upstream Bug:
https://tracker.moodle.org/browse/MDL-64410

Upstream Patch:
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-64410

Comment 1 Laura Pardo 2019-03-26 17:14:20 UTC

Acknowledgments:

Name: Andrew Nicols

Comment 2 Laura Pardo 2019-03-26 17:14:23 UTC

External References:

https://moodle.org/mod/forum/discuss.php?d=384015#p1547748

Comment 3 Laura Pardo 2019-03-26 17:14:57 UTC

Created moodle tracking bugs for this issue:

Affects: epel-all [bug 1692938]
Affects: fedora-all [bug 1692937]

Comment 4 Product Security DevOps Team 2019-06-10 10:52:10 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.