NN-2022:2-01
Authenticated RCE on logo report upload in Guardian/CMC before 22.0.0
| Advisory ID | NN-2022:2-01 |
|---|---|
| Topic | Authenticated RCE on logo report upload in Guardian/CMC before 22.0.0 |
| Impact | CWE-20: Improper Input Validation |
| Issue date | 2022-02-14 |
| Affects | Guardian and CMC with N2OS <v22.0.0 |
| CVE Name(s) | CVE-2022-0550 |
| CVSS details | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| CVSS Score | 6.3 |
| CVE Risk Level | Medium |
| Risk Level for Nozomi customers | Low |
Summary
Improper Input Validation vulnerability in custom report logo upload in Nozomi Networks Guardian and CMC allows an authenticated attacker with admin or report manager roles to execute unattended commands on the appliance using web server user privileges.
Impact
Users with admin or report manager roles can upload a custom image to be used as logo in the header of the reports generated by Nozomi Networks Guardian and CMC. However, an improper validation is performed allowing the users to execute command remotly on the appliance, leveraging the privileges of the web server.
Affected Products
Guardian / CMC before v22.0.0.
Workarounds and Mitigations
Use internal firewall features to limit management interface access and review users allowed to manage reports.
Solutions
Upgrade to v22.0.0.
Modification History
2022-02-14: Initial revision
Related Links
Acknowledgements
SECURA B.V. found this bug during a scheduled VAPT testing session.
Contact
Nozomi Networks Product Security team can be reached at prodsec@nozominetworks.com.More contact details on the PSIRT page.