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CVE

CVE-2016-0189

Microsoft Internet Explorer Memory Corruption Vulnerability

The Microsoft (1) JScript 5.8 and (2) VBScript 5.7 and 5.8 engines, as used in Internet Explorer 9 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-0187.

HIGH · CVSS 7.5 ⚠ CISA KEV EPSS 0.90799
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

◆

Threat Actors Linked

1
actorDarkhotel
⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
microsoft jscriptall versions
microsoft vbscriptall versions
microsoft internet explorerall versions
⚠

Public Exploits & PoCs

3
localMicrosoft Internet Explorer 11 (Windows 10) - VBScript Memory Corruption (MS16-051)2016-06-22
pocwww.exploit-db.com · 40118www.exploit-db.com
pocwww.virusbulletin.com · journey-and-evolution-god-mode-2016-cve-2016-0189www.virusbulletin.com
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Detection Rules (IDS/IPS)

5
et-openET EXPLOIT_KIT Terror EK CVE-2016-0189 Exploit M2exploit-kit
et-openET EXPLOIT_KIT Terror EK CVE-2015-2419 Exploitexploit-kit
et-openET EXPLOIT_KIT Terror EK CVE-2016-0189 Exploitexploit-kit
et-openET EXPLOIT CVE-2016-0189 Common Construct M1attempted-user
et-openET EXPLOIT CVE-2016-0189 Common Construct M2attempted-user
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumInternet Explorer DisableFirstRunCustomize Enabled
productmediumInternet Explorer Autorun Keys Modification
productlowJScript Compiler Execution
producthighSuspicious Rundll32 Invoking Inline VBScript
producthighVBScript Payload Stored in Registry
productmediumRegistry Modification Attempt Via VBScript - PowerShell
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Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 May 2016 · 01:59 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
cisaKEV-CVE-2016-0189
msrcCVE-2016-0189Remote Code Execution
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/90012Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1035820Broken LinkThird Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-051PatchVendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-053PatchVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0189US Government Resource
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