CVE-2022-46487
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.60% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-665
- Affected
- scontain/scone
- Source
- cve@mitre.org
References
- https://jovanbulck.github.io/files/acsac20-fpu.pdfExploit, Third Party Advisory
- https://jovanbulck.github.io/files/oakland24-pandora.pdfExploit, Third Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-0561#vulnCurrentDescriptionTitleThird Party Advisory, US Government Resource
- https://nvd.nist.gov/vuln/detail/CVE-2020-15107Third Party Advisory, US Government Resource
- https://sconedocs.github.io/release5.7/Release Notes
- 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-3-3Technical Description
- https://jovanbulck.github.io/files/acsac20-fpu.pdfExploit, Third Party Advisory
- https://jovanbulck.github.io/files/oakland24-pandora.pdfExploit, Third Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-0561#vulnCurrentDescriptionTitleThird Party Advisory, US Government Resource
- https://nvd.nist.gov/vuln/detail/CVE-2020-15107Third Party Advisory, US Government Resource
- https://sconedocs.github.io/release5.7/Release Notes
- 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-3-3Technical Description
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.