Dell CPG BIOS up to 3.17.0 signed conversion

Summaryinfo

A vulnerability was found in Dell CPG BIOS. It has been classified as critical. The impacted element is an unknown function. This manipulation causes signed conversion. This vulnerability is registered as CVE-2023-28063. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability has been found in Dell CPG BIOS and classified as critical. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a signed conversion vulnerability. The CWE definition for the vulnerability is CWE-195. The product uses a signed primitive and performs a cast to an unsigned primitive, which can produce an unexpected value if the value of the signed primitive can not be represented using an unsigned primitive. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Dell BIOS contains a Signed to Unsigned Conversion Error vulnerability. A local authenticated malicious user with admin privileges could potentially exploit this vulnerability, leading to denial of service.

The weakness was published 02/06/2024 as dsa-2023-176. The advisory is shared at dell.com. This vulnerability is known as CVE-2023-28063 since 03/10/2023. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/29/2024).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Dell

Name

• CPG BIOS

Version

• 1.1.0
• 1.1.28
• 1.4.1
• 1.5.1
• 1.7.0
• 1.8.1
• 1.10.0
• 1.11.0
• 1.12.0
• 1.12.1
• 1.13.0
• 1.13.1
• 1.13.2
• 1.14.0
• 1.14.1
• 1.15.0
• 1.16.0
• 1.17.0
• 1.17.1
• 1.18.0
• 1.18.1
• 1.19.0
• 1.20.0
• 1.21.0
• 1.22.0
• 1.22.1
• 1.23.0
• 1.24.0
• 1.24.1
• 1.25.0
• 1.26.0
• 1.26.1
• 1.26.8
• 1.27.0
• 1.28.0
• 1.29.0
• 1.29.1
• 1.30.0
• 1.31.0
• 1.33.0
• 2.4.0
• 2.5.1
• 2.6.1
• 2.14.0
• 2.19.0
• 2.20.0
• 2.21.0
• 3.17.0

License

• commercial

Website

• Vendor: https://www.dell.com/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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