CVE-2023-37479 (openenclave) | allinfosecnews.com

July 17, 2023, 11:15 p.m. |

National Vulnerability Database web.nvd.nist.gov

Open Enclave is a hardware-agnostic open source library for developing applications that utilize Hardware-based Trusted Execution Environments, also known as Enclaves. There are two issues that are mitigated in version 0.19.3. First, Open Enclave SDK does not properly sanitize the `MXCSR` register on enclave entry. This makes applications vulnerable to MXCSR Configuration Dependent Timing (MCDT) attacks, where incorrect `MXCSR` values can impact instruction retirement by at most one cycle, depending on the (secret) data operand value. Please find more details …

applications attacks configuration cve enclave entry environments hardware library open source register sdk version vulnerable

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