Scontain SCONE up to 5.7.x Floating Point __scone_entry observable behavioral discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in Scontain SCONE up to 5.7.x. It has been declared as problematic. This vulnerability affects the function __scone_entry of the component Floating Point Handler. The manipulation with an unknown input leads to a observable behavioral discrepancy vulnerability. The CWE definition for the vulnerability is CWE-205. The product's behaviors indicate important differences that may be observed by unauthorized actors in a way that reveals (1) its internal state or decision process, or (2) differences from other products with equivalent functionality. As an impact it is known to affect confidentiality. CVE summarizes:

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.

The weakness was published 12/30/2023. The advisory is available at intel.com. This vulnerability was named CVE-2022-46487 since 12/05/2022. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 5.8.0 eliminates this vulnerability.

Similar entries are available at VDB-249372 and VDB-249376.

Productinfo

Vendor

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Version

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Observable behavioral discrepancy
CWE: CWE-205 / CWE-203 / CWE-200
CAPEC: 🔒
ATT&CK: 🔒

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: SCONE 5.8.0

Timelineinfo

12/05/2022 CVE reserved
12/30/2023 +390 days Advisory disclosed
12/30/2023 +0 days VulDB entry created
01/21/2024 +22 days VulDB entry last update

Sourcesinfo

Advisory: intel.com
Status: Confirmed

CVE: CVE-2022-46487 (🔒)
See also: 🔒

Entryinfo

Created: 12/30/2023 09:36
Updated: 01/21/2024 20:22
Changes: 12/30/2023 09:36 (41), 01/21/2024 20:22 (11)
Complete: 🔍
Cache ID: 3:E88:103

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