Description (CNA)
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
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / https://github.com/concrete5/concrete5 | affected Fixed in version 9 and in version 8.5.7 |
CWE
No CWE identifiers supplied.
References
- https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes
- https://hackerone.com/reports/1362747
ADP enrichment
No English description supplied.