CVE-2018-8371 : A remote code execution vulnerability exists in the way that the scripting engin

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8353, CVE-2018-8355, CVE-2018-8359, CVE-2018-8372, CVE-2018-8373, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.

Published 2018-08-15 17:29:06

Updated 2020-08-24 17:37:01

Source Microsoft Corporation

View at NVD, CVE.org

Vulnerability category: Memory CorruptionExecute code

Products affected by CVE-2018-8371

Microsoft » Internet Explorer » Version: 9
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows Server 2008 » Version: N/A Update SP2
Microsoft » Internet Explorer » Version: 10
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows Server 2012 » Version: N/A
Microsoft » Internet Explorer » Version: 11
cpe:2.3:a:microsoft:internet_explorer:11:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 10 » Version: N/A
When used together with: Microsoft » Windows 10 » Version: 1607
When used together with: Microsoft » Windows 10 » Version: 1703
When used together with: Microsoft » Windows 10 » Version: 1709
When used together with: Microsoft » Windows 10 » Version: 1803
When used together with: Microsoft » Windows 7 » Update SP1
When used together with: Microsoft » Windows 8.1
When used together with: Microsoft » Windows Rt 8.1
When used together with: Microsoft » Windows Server 2008 » Version: R2 Update SP1
When used together with: Microsoft » Windows Server 2012 » Version: R2
When used together with: Microsoft » Windows Server 2016 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2018-8371

EPSS FAQ

15.82%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 96 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-8371

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.6	HIGH	AV:N/AC:H/Au:N/C:C/I:C/A:C	4.9	10.0	NIST
Access Vector: Network Access Complexity: High Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.5	HIGH	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H	1.6	5.9	NIST
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-8371

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-8371

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8371

CVE-2018-8371 | Scripting Engine Memory Corruption Vulnerability
Patch;Vendor Advisory
http://www.securityfocus.com/bid/105035

Microsoft Internet Explorer CVE-2018-8371 Remote Memory Corruption Vulnerability
Third Party Advisory;VDB Entry
http://www.securitytracker.com/id/1041483

Microsoft Internet Explorer Object Memory Handling and Validation Flaws Let Remote Users Execute Arbitrary Code - SecurityTracker
Third Party Advisory;VDB Entry

CVEs referencing this url

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Vulnerability Details : CVE-2018-8371

Products affected by CVE-2018-8371

Exploit prediction scoring system (EPSS) score for CVE-2018-8371

CVSS scores for CVE-2018-8371

CWE ids for CVE-2018-8371

References for CVE-2018-8371