Executive Risk Summary
"A use-after-free vulnerability in the SetMouseCapture implementation in mshtml.dll allows remote attackers to execute arbitrary code via crafted JavaScript strings. This vulnerability affects Microsoft Internet Explorer 6 through 11."
Anticipated Attack Path
- 1. Initial Exploitation: Attacker crafts a malicious web page with JavaScript strings to trigger the use-after-free vulnerability.
- 2. Privilege Escalation: The attacker gains control of the system, potentially leading to a complete system compromise.
- 3. Lateral Movement: The attacker may use the compromised system as a pivot point to move laterally within the network.
Am I Vulnerable?
- Verify that Microsoft Internet Explorer is updated to the latest version.
- Apply the MS13-080 security update to vulnerable systems.
- Use an alternative web browser until the vulnerability is patched.
Operational Audit Arsenal
Target Type DLL
Target Asset mshtml.dll
Standard Path C:\Windows\System32\mshtml.dll
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: mshtml.dll (DLL)
$Targets = 'mshtml.dll'
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")
Get-ChildItem -Path $SearchPaths -Include $Targets -Recurse -ErrorAction SilentlyContinue |
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}Patch Impact Forecast
Reboot Required Likely
Minimal to moderate disruption expected, depending on the system's configuration and usage.
Internal Work Notes
Apply MS13-080 security update to patch use-after-free vulnerability in Microsoft Internet Explorer's mshtml.dll.
Technical Intelligence & Operational Utilities • Delivered Weekly
Intelligence Sources
Official Advisoryhttp://blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspx
Official Advisoryhttp://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx
Official Advisoryhttp://jvn.jp/en/jp/JVN27443259/index.html
Official Advisoryhttp://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.html
Official Advisoryhttp://packetstormsecurity.com/files/162585/Microsoft-Internet-Explorer-8-SetMouseCapture-Use-After-Free.html
Official Advisoryhttp://pastebin.com/raw.php?i=Hx1L5gu6
MSRC Advisoryhttp://technet.microsoft.com/security/advisory/2887505
Official Advisoryhttp://www.securityfocus.com/bid/62453
Official Advisoryhttp://www.us-cert.gov/ncas/alerts/TA13-288A
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080
Official Advisoryhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18665
Official Advisoryhttp://blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspx
Official Advisoryhttp://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx
Official Advisoryhttp://jvn.jp/en/jp/JVN27443259/index.html
Official Advisoryhttp://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.html
Official Advisoryhttp://packetstormsecurity.com/files/162585/Microsoft-Internet-Explorer-8-SetMouseCapture-Use-After-Free.html
Official Advisoryhttp://pastebin.com/raw.php?i=Hx1L5gu6
MSRC Advisoryhttp://technet.microsoft.com/security/advisory/2887505
Official Advisoryhttp://www.securityfocus.com/bid/62453
Official Advisoryhttp://www.us-cert.gov/ncas/alerts/TA13-288A
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080
Official Advisoryhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18665
Official Advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3893
Related Microsoft Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.