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
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2021-11-19T18:09:48

Updated: 2024-08-03T18:58:26.123Z

Reserved: 2021-01-06T00:00:00

Link: CVE-2021-22966

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-11-19T19:15:08.327

Modified: 2022-07-12T17:42:04.277

Link: CVE-2021-22966

cve-icon Redhat

No data.