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GHSA-92r3-p8c2-3fpx
org.eclipse.hawkbit/hawkbit-ddi-resourceDescription
A privilege escalation vulnerability has been identified in the Direct Device Integration (DDI) Controller of Eclipse hawkBit (versions 1.0.3 and prior).
This vulnerability allows an authenticated device to escalate its permissions and bypass the strict boundaries of its assigned updates. Under normal operation, a device should be restricted strictly to the specific firmware artifacts explicitly assigned to it. However, this flaw enables any authenticated device to bypass this restriction and download any firmware artifact within the same tenant.
This is not an authentication bypass; the requesting device must possess valid credentials for its respective tenant. Instead, the issue stems from a flaw in object-level authorization validation.
A related, lower-severity helper issue exists in the listing software modules artifacts metadata endpoint. This endpoint does not enforce assignment checks, enabling an authenticated device to list and enumerate available firmware artifacts, which can facilitate targeted exfiltration using the main download authorization bypass.
Impact
- Severity: Moderate
- Scope: Tenant-isolated. An attacker must be an authenticated device within the target tenant to exploit this vulnerability.
- Confidentiality Impact: Low. While firmware binaries can be retrieved, the impact is mitigated because access is restricted strictly to the scope of the pre-authenticated tenant, and no administrative or cross-tenant data is exposed. Additionally, production firmware binaries are by design not expected to contain highly sensitive or confidential data (such as hardcoded credentials or private keys), further supporting the Low confidentiality rating.
Affected Products and Versions
- Product:
eclipse-hawkbit/hawkbit - Affected Component:
hawkbit-ddi/hawkbit-ddi-resource, as well as the compiled binaries and Docker images that contain this component. - Affected Versions:
1.0.3and prior versions. - Patched Version:
1.0.4
Remediation
Upgrade to version 1.0.4 or later.
Fix details: The download authorization logic has been corrected to ensure that assignment-based verification is executed on every artifact download request. Additionally, the software module metadata endpoint has been updated to enforce proper authorization, restricting access exclusively to software modules and artifacts that are explicitly assigned to or already installed on the requesting device.
Credits
Eclipse would like to thank Santosh Kumar Puppala (GitHub: Santoshkumarpuppala, Email: santhoshkumar7794@gmail.com) for discovering and reporting this vulnerability through coordinated disclosure.
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The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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