CVE-2023-4807

CVSS 3.1 Score 7.8 of 10 (high)

Details

Published Sep 8, 2023
Updated: Sep 21, 2023

Summary

CVE-2023-4807 is a vulnerability that affects multiple products, including those with the following identifiers: lgHY0U, lgHY0V, lgHY0W, lgHY0X, and many more. The vulnerability is related to the POLY1305 MAC implementation in OpenSSL on the Windows 64 platform running on newer X86_64 processors supporting AVX512-IFMA instructions. If an attacker can influence the use of the POLY1305 MAC algorithm in an application that uses OpenSSL, it can corrupt the application state with various consequences. The vulnerability stems from the fact that the vulnerable code does not save the contents of non-volatile XMM registers when calculating the MAC of data larger than 64 bytes. Remediation for this vulnerability is not provided in the given information. The potential danger to organizations lies in the internal application state corruption caused by this vulnerability.

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