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Vulnerability Details : CVE-2013-3897

Use-after-free vulnerability in the CDisplayPointer class in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted JavaScript code that uses the onpropertychange event handler, as exploited in the wild in September and October 2013, aka "Internet Explorer Memory Corruption Vulnerability."
Publish Date : 2013-10-09 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) Denial Of ServiceExecute CodeMemory corruption
CWE ID 399

- Related OVAL Definitions

Title Definition Id Class Family
Internet Explorer Memory Corruption Vulnerability (CVE-2013-3897) - MS13-080 oval:org.mitre.oval:def:18989 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-2013-3897

# 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-2013-3897

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080
MS MS13-080
http://www.us-cert.gov/ncas/alerts/TA13-288A
CERT TA13-288A
http://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx CONFIRM

- Metasploit Modules Related To CVE-2013-3897

MS13-080 Microsoft Internet Explorer CDisplayPointer Use-After-Free
This module exploits a vulnerability found in Microsoft Internet Explorer. It was originally found being exploited in the wild targeting Japanese and Korean IE8 users on Windows XP, around the same time frame as CVE-2013-3893, except this was kept out of the public eye by multiple research companies and the vendor until the October patch release. This issue is a use-after-free vulnerability in CDisplayPointer via the use of a "onpropertychange" event handler. To set up the appropriate buggy conditions, we first craft the DOM tree in a specific order, where a CBlockElement comes after the CTextArea element. If we use a select() function for the CTextArea element, two important things will happen: a CDisplayPointer object will be created for CTextArea, and it will also trigger another event called "onselect". The "onselect" event will allow us to set up for the actual event handler we want to abuse - the "onpropertychange" event. Since the CBlockElement is a child of CTextArea, if we do a node swap of CBlockElement in "onselect", this will trigger "onpropertychange". During "onpropertychange" event handling, a free of the CDisplayPointer object can be forced by using an "Unselect" (other approaches also apply), but a reference of this freed memory will still be kept by CDoc::ScrollPointerIntoView, specifically after the CDoc::GetLineInfo call, because it is still trying to use that to update CDisplayPointer's position. When this invalid reference arrives in QIClassID, a crash finally occurs due to accessing the freed memory. By controlling this freed memory, it is possible to achieve arbitrary code execution under the context of the user.
Module type : exploit Rank : normal Platforms : Windows


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