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Vulnerability Details : CVE-2013-3893

Use-after-free vulnerability in the SetMouseCapture implementation in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code via crafted JavaScript strings, as demonstrated by use of an ms-help: URL that triggers loading of hxds.dll.
Publish Date : 2013-09-18 Last Update Date : 2018-10-12
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- CVSS Scores & Vulnerability Types

CVSS Score
9.3
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 399

- Related OVAL Definitions

Title Definition Id Class Family
Internet Explorer Memory Corruption Vulnerability (CVE-2013-3893) - MS13-080 oval:org.mitre.oval:def:18665 windows
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-3893

# Product Type Vendor Product Version Update Edition Language
1 Application Microsoft Internet Explorer 6 Version Details Vulnerabilities
2 Application Microsoft Internet Explorer 7 Version Details Vulnerabilities
3 Application Microsoft Internet Explorer 8 Version Details Vulnerabilities
4 Application Microsoft Internet Explorer 9 Version Details Vulnerabilities
5 Application Microsoft Internet Explorer 10 Version Details Vulnerabilities
6 Application Microsoft Internet Explorer 11 Release-preview Version Details Vulnerabilities
7 Application Microsoft Internet Explorer 11 Developer-preview Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Internet Explorer 7

- References For CVE-2013-3893

http://www.securityfocus.com/bid/62453
BID 62453 Microsoft Internet Explorer CVE-2013-3893 Memory Corruption Vulnerability Release Date:2013-10-15
http://pastebin.com/raw.php?i=Hx1L5gu6
http://jvn.jp/en/jp/JVN27443259/index.html
JVN JVN#27443259
http://blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspx CONFIRM
http://www.us-cert.gov/ncas/alerts/TA13-288A
CERT TA13-288A
http://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.html
JVNDB JVNDB-2013-000093
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080
MS MS13-080
http://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx CONFIRM
http://technet.microsoft.com/en-us/security/advisory/2887505
Microsoft Advisory http://technet.microsoft.com/security/advisory/2887505 Microsoft Security Advisory (2887505): Vulnerability in Internet Explorer Could Allow Remote Code Execution - Version: 2.0 Revision Note: V2.0 (October 8, 2013): Advisory updated to reflect publication of security bulletin. Summary: Microsoft has completed the investigation into a public report of this vulnerability. We have issued MS13-080 to address the Internet Explorer Memory Corruption Vulnerability (CVE-2013-3893). For more information about this issue, including download links for an available security update, please review MS13-080.Release Date:2013-10-08

- Metasploit Modules Related To CVE-2013-3893

MS13-080 Microsoft Internet Explorer SetMouseCapture Use-After-Free
This module exploits a use-after-free vulnerability that currents targets Internet Explorer 9 on Windows 7, but the flaw should exist in versions 6/7/8/9/10/11. It was initially found in the wild in Japan, but other regions such as English, Chinese, Korean, etc, were targeted as well. The vulnerability is due to how the mshtml!CDoc::SetMouseCapture function handles a reference during an event. An attacker first can setup two elements, where the second is the child of the first, and then setup a onlosecapture event handler for the parent element. The onlosecapture event seems to require two setCapture() calls to trigger, one for the parent element, one for the child. When the setCapture() call for the child element is called, it finally triggers the event, which allows the attacker to cause an arbitrary memory release using document.write(), which in particular frees up a 0x54-byte memory. The exact size of this memory may differ based on the version of IE. After the free, an invalid reference will still be kept and pass on to more functions, eventuall this arrives in function MSHTML!CTreeNode::GetInterface, and causes a crash (or arbitrary code execution) when this function attempts to use this reference to call what appears to be a PrivateQueryInterface due to the offset (0x00). To mimic the same exploit found in the wild, this module will try to use the same DLL from Microsoft Office 2007 or 2010 to leverage the attack.
Module type : exploit Rank : normal Platforms : Windows


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