In short
- CVE-2020-15248 is a MEDIUM (CVSS 4.2) vulnerability affecting october/backend, october (octobercms).
- Chance of exploitation in the next 30 days (EPSS): 0.31%, higher than 24.2% of all vulnerabilities.
- Fix: update to 1.0.470, 1.0.469 or later.
| Package | Affected versions | Patched versions |
|---|
| october/backend Packagist | ≥ 1.0.319, < 1.0.470
| 1.0.470
|
| october | ≥ 1.0.319, < 1.0.469
| 1.0.469
|
Description
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
For more information
If you have any questions or comments about this advisory:
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">
NVD description
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 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. Issue has been patched in Build 470 (v1.0.470) & v1.1.1.
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