Microsoft Scripting Engine
CVE-2018-8145 — Scripting Engine Information Disclosure Vulnerability
Executive Summary
An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data. To exploit the vulnerability, an attacker must know the memory address of where the object was created. The update addresses the vulnerability by changing the way certain functions handle objects in memory.
Overview
4.3
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Exploitation Unlikely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
Low
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 3.9
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
24 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| ChakraCore | Commit (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 10 on Windows Server 2012 4103730 (Monthly Rollup) 4103768 (IE Cumulative) Low Information Disclosure 4093123 4092946 Base: 2.4 Temporal: 2.2 Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C Yes None Internet Explorer 11 on Windows 10 for 32-bit Systems | 4103716 (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows 10 for x64-based Systems | 4103716 (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems | 4103723 (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems | 4103723 (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems | 4103731 (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems | 4103731 (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows 10 Version 1709 for 32-bit Systems | 4103727 (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows 10 Version 1709 for x64-based Systems | 4103727 (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows 10 Version 1803 for 32-bit Systems | 4103721 (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows 10 Version 1803 for x64-based Systems | 4103721 (Security Update) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 4103718 (Monthly Rollup) 4103768 (IE Cumulative) Important Information Disclosure 4093118 4092946 Base: 4.3 Temporal: 3.9 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C Yes None Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 4103718 (Monthly Rollup) 4103768 (IE Cumulative) Important Information Disclosure 4093118 4092946 Base: 4.3 Temporal: 3.9 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C Yes None Internet Explorer 11 on Windows 8.1 for 32-bit systems 4103725 (Monthly Rollup) 4103768 (IE Cumulative) Important Information Disclosure 4093114 4092946 Base: 4.3 Temporal: 3.9 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C Yes None Internet Explorer 11 on Windows 8.1 for x64-based systems 4103725 (Monthly Rollup) 4103768 (IE Cumulative) Important Information Disclosure 4093114 4092946 Base: 4.3 Temporal: 3.9 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C Yes None Internet Explorer 11 on Windows RT 8.1 | 4103725 (Monthly Rollup) |
Important | Information Disclosure | Yes |
| Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4103718 (Monthly Rollup) 4103768 (IE Cumulative) Low Information Disclosure 4093118 4092946 Base: 2.4 Temporal: 2.2 Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C Yes None Internet Explorer 11 on Windows Server 2012 R2 4103725 (Monthly Rollup) 4103768 (IE Cumulative) Low Information Disclosure 4093114 4092946 Base: 2.4 Temporal: 2.2 Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C Yes None Internet Explorer 11 on Windows Server 2016 | 4103723 (Security Update) |
Low | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems | 4103716 (Security Update) |
Important | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems | 4103716 (Security Update) |
Important | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems | 4103723 (Security Update) |
Important | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems | 4103723 (Security Update) |
Important | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems | 4103731 (Security Update) |
Important | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems | 4103731 (Security Update) |
Important | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems | 4103727 (Security Update) |
Important | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems | 4103727 (Security Update) |
Important | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems | 4103721 (Security Update) |
Important | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems | 4103721 (Security Update) |
Important | Information Disclosure | Yes |
| Microsoft Edge (EdgeHTML-based) on Windows Server 2016 | 4103723 (Security Update) |
Low | Information Disclosure | Yes |
Patches
7 patches
| Article | Type | Restart |
|---|---|---|
Commit |
Security Update | Yes |
4103716 |
Security Update | Yes |
4103723 |
Security Update | Yes |
4103731 |
Security Update | Yes |
4103727 |
Security Update | Yes |
4103721 |
Security Update | Yes |
4103725 |
Monthly Rollup | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Qixun Zhao
Lokihardt of Google Project Zero
Zhenhuan Li (@zenhumany) of Tencent Zhanlu Lab
References
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