Intel CSME up to 13.0.39/13.30.9 algorithmic complexity

Summaryinfo

A vulnerability was found in Intel CSME up to 13.0.39/13.30.9. It has been classified as problematic. This impacts an unknown function. The manipulation leads to algorithmic complexity. This vulnerability is referenced as CVE-2020-8761. It is possible to launch the attack on the physical device. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Intel CSME up to 13.0.39/13.30.9. This issue affects an unknown code block. The manipulation with an unknown input leads to a algorithmic complexity vulnerability. Using CWE to declare the problem leads to CWE-407. An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached. Impacted is confidentiality.

The weakness was published 11/12/2020 as intel-sa-00391. It is possible to read the advisory at intel.com. The identification of this vulnerability is CVE-2020-8761. The exploitation is known to be difficult. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 13.0.40 or 13.30.10 eliminates this vulnerability.

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Productinfo

Vendor

• Intel

Name

• CSME

Version

• 13.0.0
• 13.0.1
• 13.0.2
• 13.0.3
• 13.0.4
• 13.0.5
• 13.0.6
• 13.0.7
• 13.0.8
• 13.0.9
• 13.0.10
• 13.0.11
• 13.0.12
• 13.0.13
• 13.0.14
• 13.0.15
• 13.0.16
• 13.0.17
• 13.0.18
• 13.0.19
• 13.0.20
• 13.0.21
• 13.0.22
• 13.0.23
• 13.0.24
• 13.0.25
• 13.0.26
• 13.0.27
• 13.0.28
• 13.0.29
• 13.0.30
• 13.0.31
• 13.0.32
• 13.0.33
• 13.0.34
• 13.0.35
• 13.0.36
• 13.0.37
• 13.0.38
• 13.0.39
• 13.30.0
• 13.30.1
• 13.30.2
• 13.30.3
• 13.30.4
• 13.30.5
• 13.30.6
• 13.30.7
• 13.30.8
• 13.30.9

License

• commercial

Website

• Vendor: https://www.intel.com/

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