CVE-2018-8544
published 2018-11-14CVE-2018-8544: A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution…
PriorityP273high8.8CVSS 3.0
AVNACLPRNUIRSUCHIHAH
EXPLOIT
EPSS
47.56%
98.7th percentile
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Affected
59 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
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| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
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| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_servers | — | — |
| microsoft | windows_10_servers | — | — |
| microsoft | windows_7 | — | — |
| microsoft | windows_7 | — | — |
| microsoft | windows_8.1 | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Trigger pattern: VBScript Class_Terminate destructor calls RemoveAll on a Scripting.Dictionary object that holds a reference to the class instance, causing a use-after-free in OLEAUT32!VariantClear when the item is reassigned. ↗
- →Crash occurs at OLEAUT32!VariantClear+0xdb writing to a freed heap address; monitor for access violations in OLEAUT32!VariantClear called from scrrun!VBADictionary::put_Item in an Internet Explorer / VBScript context. ↗
- →Attack vector is a web-based scenario via Internet Explorer; monitor for VBScript execution inside iexplore.exe that instantiates Scripting.Dictionary (scrrun.dll) and triggers Class_Terminate with dictionary manipulation. ↗
- →ActiveX 'safe for initialization' controls embedded in Office documents hosting the IE rendering engine are also an attack vector; monitor for MSHTML-hosted VBScript executing scrrun!VBADictionary operations. ↗
- ·The exploit PoC was demonstrated on a 32-bit Internet Explorer process; register values and heap addresses in the crash dump are specific to that environment and will differ on 64-bit or patched systems. ↗
- ·Exploitation likelihood is rated 'More Likely' for both latest and older software releases by Microsoft, meaning unpatched systems across a wide Windows version range remain at elevated risk. ↗
CVSS provenance
nvdv3.08.8HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
vendor_msrc7.5HIGH
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Microsoft
Windows VBScript Engine Remote Code Execution Vulnerability
vendor_msrc·2018-11-13·CVSS 7.5
CVE-2018-8544 [HIGH] Windows VBScript Engine Remote Code Execution Vulnerability
Windows VBScript Engine Remote Code Execution Vulnerability
Description: A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
In a web-based attack scenario, an attacker could host a specially crafted website that is
GHSA
GHSA-qr35-4r77-5h27: A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code E
ghsa_unreviewed·2022-05-14
CVE-2018-8544 [HIGH] CWE-416 GHSA-qr35-4r77-5h27: A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code E
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
No detection rules found.
Trendmicro
Patch Tuesday Fixes Zero-Day Win32k Bug
blogs_trendmicro·2018-11-14·CVSS 7.8
CVE-2018-8589 [HIGH] Patch Tuesday Fixes Zero-Day Win32k Bug
Exploits & Vulnerabilities
# Patch Tuesday Fixes Zero-Day Win32k Bug
This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability (CVE-2018-8589) that is already being used in malicious attacks.
By: Trend Micro
2018/11/14
Read time: ( words)
Save to Folio
As the year comes to a close, updates for both Microsoft and Adobe products and services are still ongoing via Patch Tuesday. This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability that is already being used in malicious attacks. Perhaps the most notable vulnerability addressed this month is CVE-2018-8589, another Win32k Elevation of Privilege Vulnerability that is similar to October’s CVE-2018-8453, which allows an attacker to make use of specially craf
Trendmicro
Patch Tuesday Fixes Zero-Day Win32k Bug
blogs_trendmicro·2018-11-14·CVSS 7.8
CVE-2018-8589 [HIGH] Patch Tuesday Fixes Zero-Day Win32k Bug
Exploits y vulnerabilidades
## Patch Tuesday Fixes Zero-Day Win32k Bug
This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability (CVE-2018-8589) that is already being used in malicious attacks.
By: Trend Micro Nov 14, 2018 Read time: ( words)
Save to Folio
As the year comes to a close, updates for both Microsoft and Adobe products and services are still ongoing via Patch Tuesday . This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability that is already being used in malicious attacks. Perhaps the most notable vulnerability addressed this month is CVE-2018-8589 , another Win32k Elevation of Privilege Vulnerability that is similar to October ’s CVE-2018-8453 , which allows an attacker to make use of special
Trendmicro
Patch Tuesday Fixes Zero-Day Win32k Bug
blogs_trendmicro·2018-11-14·CVSS 7.8
CVE-2018-8589 [HIGH] Patch Tuesday Fixes Zero-Day Win32k Bug
Ausnutzung von Schwachstellen
## Patch Tuesday Fixes Zero-Day Win32k Bug
This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability (CVE-2018-8589) that is already being used in malicious attacks.
By: Trend Micro Nov 14, 2018 Read time: ( words)
Save to Folio
As the year comes to a close, updates for both Microsoft and Adobe products and services are still ongoing via Patch Tuesday . This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability that is already being used in malicious attacks. Perhaps the most notable vulnerability addressed this month is CVE-2018-8589 , another Win32k Elevation of Privilege Vulnerability that is similar to October ’s CVE-2018-8453 , which allows an attacker to make use of speci
Trendmicro
Patch Tuesday Fixes Zero-Day Win32k Bug
blogs_trendmicro·2018-11-14·CVSS 7.8
CVE-2018-8589 [HIGH] Patch Tuesday Fixes Zero-Day Win32k Bug
Sfruttamento vulnerabilità
## Patch Tuesday Fixes Zero-Day Win32k Bug
This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability (CVE-2018-8589) that is already being used in malicious attacks.
By: Trend Micro Nov 14, 2018 Read time: ( words)
Save to Folio
As the year comes to a close, updates for both Microsoft and Adobe products and services are still ongoing via Patch Tuesday . This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability that is already being used in malicious attacks. Perhaps the most notable vulnerability addressed this month is CVE-2018-8589 , another Win32k Elevation of Privilege Vulnerability that is similar to October ’s CVE-2018-8453 , which allows an attacker to make use of speciall
Trendmicro
Patch Tuesday Fixes Zero-Day Win32k Bug
blogs_trendmicro·2018-11-14·CVSS 7.8
CVE-2018-8589 [HIGH] Patch Tuesday Fixes Zero-Day Win32k Bug
Exploits & Vulnerabilities
## Patch Tuesday Fixes Zero-Day Win32k Bug
This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability (CVE-2018-8589) that is already being used in malicious attacks.
By: Trend Micro Nov 14, 2018 Read time: ( words)
Save to Folio
As the year comes to a close, updates for both Microsoft and Adobe products and services are still ongoing via Patch Tuesday . This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability that is already being used in malicious attacks. Perhaps the most notable vulnerability addressed this month is CVE-2018-8589 , another Win32k Elevation of Privilege Vulnerability that is similar to October ’s CVE-2018-8453 , which allows an attacker to make use of speciall
Trendmicro
Patch Tuesday Fixes Zero-Day Win32k Bug
blogs_trendmicro·2018-11-14·CVSS 7.8
CVE-2018-8589 [HIGH] Patch Tuesday Fixes Zero-Day Win32k Bug
Exploits & Vulnerabilities
## Patch Tuesday Fixes Zero-Day Win32k Bug
This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability (CVE-2018-8589) that is already being used in malicious attacks.
By: Trend Micro 2018/11/14 Read time: ( words)
Save to Folio
As the year comes to a close, updates for both Microsoft and Adobe products and services are still ongoing via Patch Tuesday . This month’s round of updates, which fixes 63 bugs, includes a patch for a zero-day vulnerability that is already being used in malicious attacks. Perhaps the most notable vulnerability addressed this month is CVE-2018-8589 , another Win32k Elevation of Privilege Vulnerability that is similar to October ’s CVE-2018-8453 , which allows an attacker to make use of specially
Zscaler
Zscaler protects against 15 new vulnerabilities for Microsoft Windows, Internet Explorer, Microsoft Edge and ChakraCore. | Zscaler
blogs_zscaler·CVSS 5.5
[MEDIUM] Zscaler protects against 15 new vulnerabilities for Microsoft Windows, Internet Explorer, Microsoft Edge and ChakraCore. | Zscaler
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http://www.securityfocus.com/bid/105787http://www.securitytracker.com/id/1042118https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8544https://www.exploit-db.com/exploits/45923/http://www.securityfocus.com/bid/105787http://www.securitytracker.com/id/1042118https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8544https://www.exploit-db.com/exploits/45923/
2018-11-14
Published