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
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References
History
No history.
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Status: PUBLISHED
Assigner: hackerone
Published:
Updated: 2024-08-03T18:58:26.123Z
Reserved: 2021-01-06T00:00:00
Link: CVE-2021-22966
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Status : Modified
Published: 2021-11-19T19:15:08.327
Modified: 2024-11-21T05:51:02.250
Link: CVE-2021-22966
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