CVE-2022-46487

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• 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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• 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

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