Privilege escalation by backend users assigned to the default "Publisher" system role
### Impact Backend users with the default "Publisher" system role have access to create & manage users where they can choose which role the new user has. This means that a user with "Publisher" access has the ability to escalate their access to "Developer" access. ### Patches Issue has been patched in Build 470 (v1.0.470) & v1.1.1. ### Workarounds Apply https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829 to your installation manually if unable to upgrade to Build 470 or v1.1.1. ### References Reported by [Hoan Hoang](https://github.com/hoanhp) ### For more information If you have any questions or comments about this advisory: * Email us at [hello@octobercms.com](mailto:hello@octobercms.com) ### Threat assessment: <img width="1098" alt="Screen Shot 2020-10-10 at 1 37 25 PM" src="https://user-images.githubusercontent.com/7253840/95663611-e6326c80-0afd-11eb-8a1e-8b767a7202fb.png">
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-15248US | medium4.2OT elevated | — | ||
October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/octobercms/octoberPACKAGE
- https://github.com/octobercms/october/commit/4c650bb775ab849e48202a4923bac93bd74f9982WEB
- https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829WEB
- https://github.com/octobercms/october/security/advisories/GHSA-rfjc-xrmf-5vvwWEB
- https://nvd.nist.gov/vuln/detail/CVE-2020-15248ADVISORY
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