Bug 2043421 (CVE-2021-40694)

Summary:	CVE-2021-40694 moodle: arbitrary file read by site administrators via LaTeX preamble
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	gwync, igor.raits, sergio
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-01-21 09:32:11 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:	2043422, 2043423
Bug Blocks:

Description Dhananjay Arunesh 2022-01-21 08:46:07 UTC

Insufficient escaping of the LaTeX preamble made it possible for site administrators to read files available to the HTTP server system account.

References:
https://moodle.org/mod/forum/discuss.php?d=427106

Comment 1 Dhananjay Arunesh 2022-01-21 08:46:32 UTC

Created moodle tracking bugs for this issue:

Affects: epel-7 [bug 2043423]
Affects: fedora-all [bug 2043422]

Comment 2 Product Security DevOps Team 2022-01-21 09:32:10 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.