CVSS 3.1 Score 5.5 of 10 (medium)


Published Dec 7, 2023
Updated: Jan 5, 2024
CWE ID 312


CVE-2023-40238, known as LogoFAIL, is a vulnerability discovered in BmpDecoderDxe in Insyde InsydeH2O with kernel versions 5.2 to 5.6. It affects certain Lenovo devices and occurs during the DXE phase of UEFI execution. Crafted BMP logo files can lead to data being copied to a specific address due to an integer signedness error involving PixelHeight and PixelWidth during RLE4/RLE8 compression. The vulnerability has a base severity rating of MEDIUM with a base score of 5.5. It requires low privileges and local access to exploit, posing a potential danger to organizations. No remediation steps or potential impact on confidentiality or integrity are provided in the source text.

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