Dell Client Consumer/Commercial Platform Firmware Update Utility uncontrolled search path

Summaryinfo

A vulnerability labeled as problematic has been found in Dell Client Consumer and Commercial Platform. This impacts an unknown function of the component Firmware Update Utility. Executing a manipulation can lead to uncontrolled search path. This vulnerability is tracked as CVE-2020-5324. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in Dell Client Consumer and Commercial Platform (the affected version unknown) and classified as problematic. This vulnerability affects an unknown part of the component Firmware Update Utility. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. The CWE definition for the vulnerability is CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Dell Client Consumer and Commercial Platforms contain an Arbitrary File Overwrite Vulnerability. The vulnerability is limited to the Dell Firmware Update Utility during the time window while being executed by an administrator. During this time window, a locally authenticated low-privileged malicious user could exploit this vulnerability by tricking an administrator into overwriting arbitrary files via a symlink attack. The vulnerability does not affect the actual binary payload that the update utility delivers.

The weakness was disclosed 02/21/2020. This vulnerability was named CVE-2020-5324 since 01/03/2020. The attack needs to be approached locally. A single authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/22/2020). The MITRE ATT&CK project declares the attack technique as T1574.

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

• Dell

Name

• Client Consumer
• Commercial Platform

License

• commercial

Website

• Vendor: https://www.dell.com/

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