Bug 2142772 (CVE-2022-45149, MSA-22-0029)

Summary:	CVE-2022-45149 moodle: course restore - CSRF token passed in course redirect URL
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	moodle 4.0.5, moodle 3.11.11, moodle 3.9.18	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in Moodle which exists due to insufficient validation of the HTTP request origin in course redirect URL. A user's CSRF token was unnecessarily included in the URL when being redirected to a course they have just restored. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website. This flaw allows an attacker to perform cross-site request forgery attacks.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-12-07 18:32:52 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:	2144704, 2144705, 2144706, 2144707
Bug Blocks:	2141946, 2144717

Description TEJ RATHI 2022-11-15 08:58:25 UTC

MSA-22-0029: Course restore - CSRF token passed in course redirect URL

A user's CSRF token (Moodle sesskey) was unnecessarily included in the URL when being redirected to a course they have just restored.

Versions affected: 4.0 to 4.0.4, 3.11 to 3.11.10, 3.9 to 3.9.17 and earlier unsupported versions
Versions fixed:    4.0.5, 3.11.11 and 3.9.18

Comment 2 TEJ RATHI 2022-11-22 03:55:17 UTC

References:
https://moodle.org/mod/forum/discuss.php?d=440769
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-75862

Comment 3 TEJ RATHI 2022-11-22 03:59:44 UTC

Created moodle tracking bugs for this issue:

Affects: epel-7 [bug 2144704]
Affects: fedora-35 [bug 2144705]
Affects: fedora-36 [bug 2144706]
Affects: fedora-37 [bug 2144707]

Comment 4 Product Security DevOps Team 2022-12-07 18:32:51 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.