CVE-2022-46487

high

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.

References

Advisories
More

https://nvd.nist.gov/vuln/detail/CVE-2020-15107

https://nvd.nist.gov/vuln/detail/CVE-2020-0561#vulnCurrentDescriptionTitle

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://sconedocs.github.io/release5.7/

https://jovanbulck.github.io/files/oakland24-pandora.pdf

https://jovanbulck.github.io/files/acsac20-fpu.pdf

Details

Source: Mitre, NVD

Published: 2023-12-30

Updated: 2025-04-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00091