A vulnerability was found in Lenovo XClarity Controller (version now known) and classified as critical. This issue affects some unknown processing of the component Remote Mount Handler. The manipulation with an unknown input leads to a incomplete blacklist vulnerability. Using CWE to declare the problem leads to CWE-184. The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete, leading to resultant weaknesses. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The Remote Mount feature can potentially be abused by valid, authenticated users to make connections to internal services that may not normally be accessible to users. Internal service access controls, as applicable, remain in effect.

The weakness was published 01/31/2023. The advisory is shared at support.lenovo.com. The identification of this vulnerability is CVE-2022-34888 since 06/30/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1562.006 for this issue.

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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• Lenovo

Name

• XClarity Controller

License

• commercial

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