Fortanix EnclaveOS up to 3.28 on Intel SGX sgx_is_within_user improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Fortanix EnclaveOS up to 3.28 on Intel SGX. It has been classified as critical. This vulnerability affects the function sgx_is_within_user. This manipulation causes improper authorization. This vulnerability appears as CVE-2023-38022. The attack requires local access. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Fortanix EnclaveOS up to 3.28 on Intel SGX. Affected by this vulnerability is the function sgx_is_within_user. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality. The summary by CVE is:

An issue was discovered in Fortanix EnclaveOS Confidential Computing Manager (CCM) Platform before 3.29 for Intel SGX. Insufficient pointer validation allows a local attacker to access unauthorized information. This relates to strlen and sgx_is_within_user.

The weakness was presented 12/30/2023. The advisory is shared at jovanbulck.github.io. This vulnerability is known as CVE-2023-38022 since 07/11/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 3.29 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
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: EnclaveOS 3.29

Timelineinfo

07/11/2023 🔍
12/30/2023 +172 days 🔍
12/30/2023 +0 days 🔍
01/21/2024 +22 days 🔍

Sourcesinfo

Advisory: jovanbulck.github.io
Status: Confirmed

CVE: CVE-2023-38022 (🔍)
GCVE (CVE): GCVE-0-2023-38022
GCVE (VulDB): GCVE-100-249373

Entryinfo

Created: 12/30/2023 09:37
Updated: 01/21/2024 20:45
Changes: 12/30/2023 09:37 (41), 01/21/2024 20:45 (11)
Complete: 🔍
Cache ID: 216::103

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