Microsoft Internet Explorer 10/11 Scripting Engine information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 10/11 and classified as problematic. Affected is an unknown function of the component Scripting Engine. Such manipulation leads to information disclosure. This vulnerability is listed as CVE-2018-8315. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 10/11 (Web Browser). It has been rated as problematic. Affected by this issue is an unknown code of the component Scripting Engine. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The bug was discovered 09/11/2018. The weakness was presented 09/11/2018 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. The public release was coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2018-8315 since 03/14/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592. The advisory points out:

An information disclosure vulnerability exists when the browser scripting engine improperly handle object types.

The vulnerability scanner Nessus provides a plugin with the ID 117415 (KB4457140: Windows Server 2012 September 2018 Security Update), 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 91471 (Microsoft Edge Security Update for September 2018).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117415), EUVD (EUVD-2022-3282) and SecurityFocus (BID 105251†). See VDB-123824, VDB-123825, VDB-123827 and VDB-123828 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 4.2
Vendor Vector (Microsoft): 🔍

NVD Base Score: 4.2
NVD 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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 117415
Nessus Name: KB4457140: Windows Server 2012 September 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

03/14/2018 🔍
09/11/2018 +180 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/12/2018 +0 days 🔍
09/12/2018 +0 days 🔍
05/19/2026 +2806 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-8315 (🔍)
GCVE (CVE): GCVE-0-2018-8315
GCVE (VulDB): GCVE-100-123848
EUVD: 🔍

OVAL: 🔍

SecurityFocus: 105251 - Microsoft Internet Explorer and Edge CVE-2018-8315 Information Disclosure Vulnerability
SecurityTracker: 1041623

See also: 🔍

Entryinfo

Created: 09/12/2018 07:27
Updated: 05/19/2026 02:31
Changes: 09/12/2018 07:27 (86), 03/22/2020 15:12 (5), 05/08/2023 11:07 (5), 05/19/2026 02:31 (15)
Complete: 🔍
Cache ID: 216::103

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