Bug 2277793 (CVE-2024-33996, MSA-24-0007)

Summary: CVE-2024-33996 moodle: broken access control when setting calendar event type
Product: [Other] Security Response Reporter: Robb Gatica <rgatica>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: moodle 4.3.4, moodle 4.2.7, moodle 4.1.10 Doc Type: No Doc Update
Doc Text:
Incorrect validation of allowed event types in a calendar web service made it possible for some users to create events with types/audiences they did not have permission to publish to.
Story Points: ---
Clone Of: Environment:
Last Closed: 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: 2282041, 2282042    
Bug Blocks: 2277786    

Description Robb Gatica 2024-04-29 15:42:53 UTC
Description: 
Incorrect validation of allowed event types in a calendar web service made it possible for some users to create events with types/audiences they did not have permission to publish to.

Issue summary: 
Broken access control when setting calendar event type

Severity/Risk: 
Serious

Versions affected: 
4.0 to 4.3.3, 4.2 to 4.2.6, 4.1 to 4.1.9 and earlier unsupported versions

Versions fixed: 
4.3.4, 4.2.7 and 4.1.10

Reported by: David Utón (m3n0sd0n4ld)
Issue no.: MDL-81247

Changes (master):
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-81247

Comment 1 Robb Gatica 2024-05-21 01:47:39 UTC
Created moodle tracking bugs for this issue:

Affects: epel-all [bug 2282041]
Affects: fedora-all [bug 2282042]