A vulnerability, which was classified as very critical, was found in Unisys Libra (version unknown). Affected is an unknown function of the component Message Handler. The manipulation with an unknown input leads to a remote code execution vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Systems management on Unisys Libra and Libra Software Series, with MCP-FIRMWARE through 2019-10-23, can fault and have other unspecified impact when receiving specifically crafted message payloads over a systems management communication channel.

The weakness was released 01/07/2020 (Website). The advisory is available at public.support.unisys.com. This vulnerability is traded as CVE-2019-18386 since 10/23/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/08/2020).

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

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• Unisys

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• Libra

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