Lenovo ThinkPadX13s BIOS buffer over-read

Summaryinfo

A vulnerability was found in Lenovo ThinkPadX13s. It has been classified as critical. This impacts an unknown function of the component BIOS. The manipulation leads to buffer over-read. This vulnerability is listed as CVE-2022-4433. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Lenovo ThinkPadX13s (unknown version). This issue affects an unknown code block of the component BIOS. The manipulation with an unknown input leads to a buffer over-read vulnerability. Using CWE to declare the problem leads to CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A buffer over-read vulnerability was reported in the ThinkPadX13s BIOS LenovoSetupConfigDxe driver that could allow a local attacker with elevated privileges to cause information disclosure.

The weakness was presented 01/05/2023. It is possible to read the advisory at support.lenovo.com. The identification of this vulnerability is CVE-2022-4433 since 12/12/2022. The technical details are unknown and an exploit is not publicly available.

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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Productinfo

Vendor

• Lenovo

Name

• ThinkPadX13s

License

• commercial

Website

• Vendor: https://www.lenovo.com/

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