CVE-2022-46487 Information

Description

Improper initialization of x87 and SSE floating-point configuration registers in the __scone_entry component of SCONE before 5.8.0 for Intel SGX allows a local attacker to compromise the execution integrity of floating-point operations in an enclave or access sensitive information via side-channel analysis.

Reference

https://sconedocs.github.io/release5.7/ https://jovanbulck.github.io/files/acsac20-fpu.pdf https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/best-practices/data-operand-independent-timing-isa-guidance.html#inpage-nav-3-3 https://nvd.nist.gov/vuln/detail/CVE-2020-15107 https://nvd.nist.gov/vuln/detail/CVE-2020-0561#vulnCurrentDescriptionTitle https://jovanbulck.github.io/files/oakland24-pandora.pdf