Intel SGX Speculative Execution information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Intel SGX. Impacted is an unknown function of the component Speculative Execution. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2018-3615. The attack requires local access. There is no available exploit. This vulnerability is historically impactful due to its background and the reception it garnered. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Intel SGX (Chip Software) (affected version not known) and classified as problematic. This vulnerability affects some unknown functionality of the component Speculative Execution. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

Systems with microprocessors utilizing speculative execution and Intel software guard extensions (Intel SGX) may allow unauthorized disclosure of information residing in the L1 data cache from an enclave to an attacker with local user access via a side-channel analysis.

The bug was discovered 08/14/2018. The weakness was presented 08/14/2018 with University of Michigan (Website). The advisory is shared for download at intel.com. This vulnerability was named CVE-2018-3615 since 12/27/2017. The attack needs to be approached locally. A single authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/30/2026). The MITRE ATT&CK project declares the attack technique as T1592. This vulnerability has a historic impact due to its background and reception.

The vulnerability scanner Nessus provides a plugin with the ID 112116 (Security Updates for Windows 10 / Windows Server 2016 (August 2018) (Spectre) (Meltdown) (Foreshadow)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43656 (Fortigate FortiOS Information Disclosure, Privilege Escalation Vulnerability (FG-IR-18-002)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (112116) and SecurityFocus (BID 105080†). See VDB-122909, VDB-122910, VDB-126292 and VDB-129694 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

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

NVD Base Score: 6.4
NVD Vector: 🔍

ADP CISA Base Score: 7.3
ADP CISA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / 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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Nessus ID: 112116
Nessus Name: Security Updates for Windows 10 / Windows Server 2016 (August 2018) (Spectre) (Meltdown) (Foreshadow)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/27/2017 🔍
08/14/2018 +229 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/14/2018 +0 days 🔍
08/15/2018 +1 days 🔍
08/21/2018 +6 days 🔍
08/24/2018 +3 days 🔍
05/30/2026 +2836 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: K35558453
Organization: University of Michigan
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-3615 (🔍)
GCVE (CVE): GCVE-0-2018-3615
GCVE (VulDB): GCVE-100-122908
CERT: 🔍
SecurityFocus: 105080 - Multiple Intel Processors Side Channel Attack Multiple Information Disclosure Vulnerabilities
SecurityTracker: 1041451

See also: 🔍

Entryinfo

Created: 08/15/2018 06:39
Updated: 05/30/2026 04:19
Changes: 08/15/2018 06:39 (74), 03/15/2020 18:05 (7), 05/02/2023 09:06 (5), 12/30/2024 00:34 (16), 05/30/2026 04:19 (12)
Complete: 🔍
Cache ID: 216::103

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