CVE-2019-0667
published 2019-04-08CVE-2019-0667: A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'Windows VBScript Engine Remote Code Execution…
PriorityP278high7.5CVSS 3.0
AVNACHPRNUIRSUCHIHAH
ITWEXPLOITVulnCheck KEV
Exploited in the wild
EPSS
31.26%
98.1th 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 CVE ID is unique from CVE-2019-0665, CVE-2019-0666, CVE-2019-0772.
Affected
33 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | internet_explorer | — | — |
| microsoft | internet_explorer | — | — |
| microsoft | internet_explorer | — | — |
| microsoft | windows | — | — |
| microsoft | windows | — | — |
| microsoft | windows | — | — |
| microsoft | windows | — | — |
| microsoft | windows | — | — |
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| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_server | — | — |
| microsoft | windows_server | — | — |
Detection & IOCsextracted from sources · hover to see the quote
bytes↗
0x13371337 (magic marker value used in VbsErase memory corruption PoC)
- →Double-Erase pattern on the same VBScript array variable (Erase called twice consecutively on the same variable) is the core trigger for the VbsErase use-after-free/memory corruption; monitor VBScript execution for this pattern. ↗
- →Exploitation vector is a web-based attack via Internet Explorer; monitor for Internet Explorer processes spawning child processes or loading unexpected ActiveX controls after visiting untrusted sites. ↗
- →Attacker may embed an ActiveX control marked 'safe for initialization' in Office documents or applications hosting the IE rendering engine as an alternative delivery mechanism. ↗
- →The exploit PoC uses a Class_Terminate destructor to trigger the corruption; look for VBScript classes with Class_Terminate performing ReDim on a variable previously set to a large hex value, combined with subsequent Erase calls on an array holding object references. ↗
- ·The PoC uses an extremely large ReDim value (10000000000) which may cause out-of-memory conditions on some systems before the corruption is triggered; real-world exploits may use different sizing. ↗
- ·The vulnerability is in the VBScript engine (VBSCRIPT.DLL) as invoked through MSHTML/Internet Explorer; the call stack confirms execution flows through MSHTML!CActiveScriptHolder and MSHTML!CScriptCollection, meaning the attack surface is specifically IE-hosted VBScript. ↗
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.07.6HIGHAV:N/AC:H/Au:N/C:C/I:C/A:C
vulncheck7.5HIGH
vendor_msrc7.5HIGH
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GHSA
GHSA-wxq6-gr33-gq85: 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·2022-05-13·CVSS 7.5
CVE-2019-0665 [HIGH] CWE-787 GHSA-wxq6-gr33-gq85: 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 CVE ID is unique from CVE-2019-0666, CVE-2019-0667, CVE-2019-0772.
GHSA
GHSA-8gf9-x2m9-vchj: 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·2022-05-13·CVSS 7.5
CVE-2019-0666 [HIGH] CWE-787 GHSA-8gf9-x2m9-vchj: 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 CVE ID is unique from CVE-2019-0665, CVE-2019-0667, CVE-2019-0772.
GHSA
GHSA-979f-qh32-f5vr: 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·2022-05-13·CVSS 7.5
CVE-2019-0772 [HIGH] CWE-787 GHSA-979f-qh32-f5vr: 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 CVE ID is unique from CVE-2019-0665, CVE-2019-0666, CVE-2019-0667.
GHSA
GHSA-6pcj-mwpq-gv78: 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·2022-05-13·CVSS 7.5
CVE-2019-0667 [HIGH] CWE-787 GHSA-6pcj-mwpq-gv78: 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 CVE ID is unique from CVE-2019-0665, CVE-2019-0666, CVE-2019-0772.
VulnCheck
Microsoft Internet Explorer Out-of-bounds Write
vulncheck·2019·CVSS 7.5
CVE-2019-0666 [HIGH] Microsoft Internet Explorer Out-of-bounds Write
Microsoft Internet Explorer Out-of-bounds Write
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 CVE ID is unique from CVE-2019-0665, CVE-2019-0667, CVE-2019-0772.
Affected: Microsoft Internet Explorer
Required Action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Exploitation References: https://www.niiconsulting.com/Security_Advisories/Security_Advisory_Digest_April_edition_1_digest_pdf.pdf
VulnCheck
Microsoft Internet Explorer Out-of-bounds Write
vulncheck·2019·CVSS 7.5
CVE-2019-0667 [HIGH] Microsoft Internet Explorer Out-of-bounds Write
Microsoft Internet Explorer Out-of-bounds Write
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 CVE ID is unique from CVE-2019-0665, CVE-2019-0666, CVE-2019-0772.
Affected: Microsoft Internet Explorer
Required Action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Exploitation References: https://www.niiconsulting.com/Security_Advisories/Security_Advisory_Digest_April_edition_1_digest_pdf.pdf
Microsoft
Windows VBScript Engine Remote Code Execution Vulnerability
vendor_msrc·2019-03-12·CVSS 7.5
CVE-2019-0667 [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
No detection rules found.
2019-04-08
Published
Exploited in the wild