MRD-305-DIN/MRD-315/MRD-355/MRD-455 hard-coded credentials

Summaryinfo

A vulnerability was found in MRD-305-DIN, MRD-315, MRD-355 and MRD-455. It has been rated as critical. The affected element is an unknown function. The manipulation leads to hard-coded credentials. This vulnerability is traded as CVE-2016-5816. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in MRD-305-DIN, MRD-315, MRD-355 and MRD-455 (version unknown). It has been rated as critical. This issue affects an unknown function. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. Using CWE to declare the problem leads to CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A Use of Hard-Coded Cryptographic Key issue was discovered in MRD-305-DIN versions older than 1.7.5.0, and MRD-315, MRD-355, MRD-455 versions older than 1.7.5.0. The device utilizes hard-coded private cryptographic keys that may allow an attacker to decrypt traffic from any other source.

The bug was discovered 08/24/2017. The weakness was shared 08/25/2017 (Website). The advisory is shared at ics-cert.us-cert.gov. The identification of this vulnerability is CVE-2016-5816 since 06/23/2016. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-105753 and VDB-105751 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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• MRD-305-DIN
• MRD-315
• MRD-355
• MRD-455

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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