Privilege escalation from Editor to Admin using Groups in Concrete CMS versions 8.5.6 and below. If a group is granted "view" permissions on the bulkupdate page, then users in that group can escalate to being an administrator with a specially crafted curl. Fixed by adding a check for group permissions before allowing a group to be moved. Concrete CMS Security team CVSS scoring: 7.1 AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HCredit for discovery: "Adrian Tiron from FORTBRIDGE ( https://www.fortbridge.co.uk/ )"This fix is also in Concrete version 9.0.0
References
Link | Resource |
---|---|
https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes | Release Notes Vendor Advisory |
https://hackerone.com/reports/1362747 | Permissions Required |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: hackerone
Published: 2021-11-19T18:09:48
Updated: 2021-11-19T18:09:48
Reserved: 2021-01-06T00:00:00
Link: CVE-2021-22966
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-11-19T19:15:08.327
Modified: 2022-07-12T17:42:04.277
Link: CVE-2021-22966
JSON object: View
Redhat Information
No data.
CWE