9.3 - TA12-265A

Executive Summary

Informations
Name	TA12-265A	First vendor Publication	2012-09-21
Vendor	US-CERT	Last vendor Modification	2012-09-21
Severity (Vendor)	N/A	Revision	N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score	NA
Base Score	NA	Environmental Score	NA
impact SubScore	NA	Temporal Score	NA
Exploitabality Sub Score	NA

Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score	9.3	Attack Range	Network
Cvss Impact Score	10	Attack Complexity	Medium
Cvss Expoit Score	8.6	Authentication	None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Microsoft has released Security Bulletin MS12-063 to address the use-after-free vulnerability that has been actively exploited this past week.

Description

Microsoft Internet Explorer versions 6, 7, 8, and 9 are susceptible to a use-after-free vulnerability. This vulnerability is being actively exploited in the wild. Microsoft has released Security Bulletin MS12-063 to patch this vulnerability and four others.

This vulnerability was previously mentioned in US-CERT Alert TA12-262A. Additional information is available in US-CERT Vulnerability Note VU#480095.

Impact

A remote, unauthenticated attacker could execute arbitrary code, cause a denial of service, or gain unauthorized access to your files or system.

Solution

US-CERT recommends that Internet Explorer users run Windows Update as soon as possible to apply the MS12-063 patch.

Original Source

Url : http://www.us-cert.gov/cas/techalerts/TA12-265A.html

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:15729

Oval ID:	oval:org.mitre.oval:def:15729
Title:	execCommand Use After Free Vulnerability - MS12-063
Description:	Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.
Family:	windows	Class:	vulnerability
Reference(s):	CVE-2012-4969	Version:	5
Platform(s):	Microsoft Windows Server 2003 Microsoft Windows Server 2008 Microsoft Windows Server 2008 R2 Microsoft Windows Vista Microsoft Windows XP Microsoft Windows 7	Product(s):	Microsoft Internet Explorer 6 Microsoft Internet Explorer 7 Microsoft Internet Explorer 8 Microsoft Internet Explorer 9
Definition Synopsis:
IE6 + vulnerable (OS + file versions) Microsoft Internet Explorer 6 is installed AND Vulnerable OS's and their file versions XP + vulnerable file Microsoft Windows XP (32-bit) is installed AND Check if the version of mshtml.dll is less than 6.0.2900.6287 OR 2k3/XP X64 and vulnerable file 2k3/XP x64 Microsoft Windows XP x64 is installed AND Microsoft Windows Server 2003 (32-bit) is installed AND Microsoft Windows Server 2003 (x64) is installed AND Microsoft Windows Server 2003 (ia64) Gold is installed AND Check if the version of mshtml.dll is less than 6.0.3790.5060 OR IE7 + vulnerable (OS + file versions) Microsoft Internet Explorer 7 is installed AND Vulnerable OS's and their file versions XP/2k3 and vulnerable files XP/2k3 Microsoft Windows XP (32-bit) is installed AND Microsoft Windows XP x64 is installed AND Microsoft Windows Server 2003 (32-bit) is installed AND Microsoft Windows Server 2003 (x64) is installed AND Microsoft Windows Server 2003 (ia64) Gold is installed AND LDR/GDR Check if the version of mshtml.dll is less than 7.0.6000.17114 OR Check for LDR Mshtml.dll version is greater than or equal to 7.0.6000.20000 AND Check if the version of mshtml.dll is less than 7.0.6000.21316 OR Vista/2K8 and vulnerable files Vista/2k8 Microsoft Windows Vista (32-bit) is installed AND Microsoft Windows Vista x64 Edition is installed AND Microsoft Windows Server 2008 (32-bit) is installed AND Microsoft Windows Server 2008 (64-bit) is installed AND Microsoft Windows Server 2008 (ia-64) is installed AND LDR/GDR Check if the version of mshtml.dll is less than 7.0.6002.18686 OR Check LDR Mshtml.dll version is greater than or equal to 7.0.6002.22000 AND Check if the version of mshtml.dll is less than 7.0.6002.22920 OR IE8 + vulnerable (OS + file versions) Microsoft Internet Explorer 8 is installed AND Vulnerable OS's and their file versions XP/2k3/Vista/2k8 and vulnerable files XP/2k3/Vista/2k8 Microsoft Windows XP (32-bit) is installed AND Microsoft Windows XP x64 is installed AND Microsoft Windows Server 2003 (32-bit) is installed AND Microsoft Windows Server 2003 (x64) is installed AND Microsoft Windows Server 2008 (32-bit) is installed AND Microsoft Windows Server 2008 (64-bit) is installed AND Microsoft Windows Vista (32-bit) is installed AND Microsoft Windows Vista x64 Edition is installed AND LDR/GDR Check if the version of mshtml.dll is less than 8.0.6001.19328 OR Check for LDR Check for mshtml.dll version greater than or equal to 8.0.6001.23000 AND Check if the version of mshtml.dll is less than 8.0.6001.23415 OR Win7/R2 and vulnerable files Win7/R2 Microsoft Windows 7 is installed AND Microsoft Windows Server 2008 R2 x64 Edition is installed AND Microsoft Windows Server 2008 R2 Itanium-Based Edition is installed AND LDR/GDR Check if the version of mshtml.dll is less than 8.0.7600.17115 OR Check for LDR Mshtml.dll version is greater than or equal 8.0.7600.20000 AND Check if the version of mshtml.dll is less than 8.0.7600.21313 OR Win7/R2 and vulnerable files Win7/R2 Microsoft Windows 7 (32-bit) is installed AND Microsoft Windows 7 x64 Edition is installed AND Microsoft Windows Server 2008 R2 x64 Edition is installed AND Microsoft Windows Server 2008 R2 Itanium-Based Edition is installed AND LDR/GDR Check if the version of mshtml.dll is less than 8.0.7601.17940 OR Check for LDR Mshtml.dll version is greater than or equal to 8.0.7601.21000 AND Check if the version of mshtml.dll is less than 8.0.7601.22099 OR IE9 + vulnerable (OS + file versions) Microsoft Internet Explorer 9 is installed AND Vista/2K8/Win7/R2 Microsoft Windows 7 (32-bit) is installed AND Microsoft Windows 7 x64 Edition is installed AND Microsoft Windows Server 2008 R2 x64 Edition is installed AND Microsoft Windows Server 2008 (32-bit) is installed AND Microsoft Windows Server 2008 (64-bit) is installed AND Microsoft Windows Vista (32-bit) is installed AND Microsoft Windows Vista x64 Edition is installed AND Microsoft Windows 7 is installed AND LDR/GDR Check if the version of mshtml.dll is less than 9.0.8112.16450 OR Check for LDR Mshtml.dll version is greater than or equal to 9.0.8112.20000 AND Check if the version of mshtml.dll is less than 9.0.8112.20557

CPE : Common Platform Enumeration

Type	Description	Count
Application	Microsoft Internet Explorer cpe:2.3:a:microsoft:internet_explorer:9:::::::* cpe:2.3:a:microsoft:internet_explorer:8:::::::* cpe:2.3:a:microsoft:internet_explorer:7:::::::* cpe:2.3:a:microsoft:internet_explorer:6:::::::*	4

SAINT Exploits

Description	Link
Internet Explorer CMshtmlEd execCommand Use After Free	More info here

OpenVAS Exploits

Date	Description
2012-09-18	Name : Microsoft Internet Explorer Remote Code Execution Vulnerability (2757760) File : nvt/gb_ms_ie_code_exec_vuln_vuln.nasl

Snort® IPS/IDS

Date	Description
2014-02-21	Styx exploit kit eot outbound connection RuleID : 29453 - Revision : 2 - Type : EXPLOIT-KIT
2014-02-21	Styx exploit kit landing page request RuleID : 29452 - Revision : 2 - Type : EXPLOIT-KIT
2014-02-21	Styx exploit kit outbound jar request RuleID : 29451 - Revision : 2 - Type : EXPLOIT-KIT
2014-02-21	Styx exploit kit outbound connection attempt RuleID : 29450 - Revision : 2 - Type : EXPLOIT-KIT
2014-02-21	Styx exploit kit landing page RuleID : 29449 - Revision : 3 - Type : EXPLOIT-KIT
2014-02-21	Styx exploit kit landing page RuleID : 29448 - Revision : 2 - Type : EXPLOIT-KIT
2014-02-21	Styx exploit kit jar outbound connection RuleID : 29446 - Revision : 9 - Type : EXPLOIT-KIT
2014-02-21	Styx exploit kit fonts download page RuleID : 29445 - Revision : 2 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit landing page request RuleID : 28478 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit outbound pdf request RuleID : 28477 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit malicious redirection attempt RuleID : 27815 - Revision : 3 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit landing page request RuleID : 27814 - Revision : 3 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit landing page with payload RuleID : 27813 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10	Gong Da exploit kit possible jar download RuleID : 27706 - Revision : 3 - Type : EXPLOIT-KIT
2014-01-10	Gong Da exploit kit Java exploit requested RuleID : 27705 - Revision : 3 - Type : EXPLOIT-KIT
2014-01-10	Gong Da exploit kit Java exploit requested RuleID : 27704 - Revision : 3 - Type : EXPLOIT-KIT
2014-01-10	Gong Da exploit kit plugin detection RuleID : 27703 - Revision : 2 - Type : EXPLOIT-KIT
2014-01-10	Gong Da exploit kit landing page RuleID : 27702 - Revision : 3 - Type : EXPLOIT-KIT
2014-01-10	Gong Da Jar file download RuleID : 27701 - Revision : 2 - Type : EXPLOIT-KIT
2014-01-10	Nailed exploit kit Internet Explorer exploit download - autopwn RuleID : 27081 - Revision : 2 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit plugin detection connection jovf RuleID : 27042-community - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit plugin detection connection jovf RuleID : 27042 - Revision : 5 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit plugin detection connection jlnp RuleID : 27041-community - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit plugin detection connection jlnp RuleID : 27041 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit plugin detection connection jorg RuleID : 27040-community - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit plugin detection connection jorg RuleID : 27040 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit redirection page RuleID : 26297 - Revision : 3 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit landing page RuleID : 26296 - Revision : 3 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit landing page RuleID : 26090 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10	Gong Da exploit kit redirection page received RuleID : 26013 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit portable executable download request RuleID : 25140 - Revision : 7 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit eot outbound connection RuleID : 25139 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit pdf outbound connection RuleID : 25138 - Revision : 4 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit jar outbound connection RuleID : 25137 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10	Styx exploit kit plugin detection connection RuleID : 25136 - Revision : 8 - Type : EXPLOIT-KIT
2014-01-10	Styx Exploit Kit outbound connection RuleID : 25135 - Revision : 9 - Type : EXPLOIT-KIT
2014-01-10	Oracle JavaScript heap exploitation library usage attempt RuleID : 25006 - Revision : 8 - Type : FILE-JAVA
2014-01-10	Microsoft Internet Explorer execCommand use embedded within javascript tags RuleID : 24252 - Revision : 6 - Type : BROWSER-IE
2014-01-10	Microsoft Internet Explorer execCommand use-after-free attempt RuleID : 24212 - Revision : 9 - Type : BROWSER-IE
2014-01-10	Oracle JavaScript heap exploitation library usage attempt RuleID : 23614 - Revision : 12 - Type : FILE-JAVA

Nessus® Vulnerability Scanner

Date	Description
2012-09-21	Name : The remote host is affected by code execution vulnerabilities. File : smb_nt_ms12-063.nasl - Type : ACT_GATHER_INFO

Alert History

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Date	Informations
2013-01-30 13:27:35	Multiple Updates

Global Informations

Type	Count
Oval ID(s)	1
CPE ID(s)	4
Saint Exploit(s)	1
Openvas Exploit(s)	1
Snort® Rule(s)	40
Nessus® Exploit(s)	1

	Related
9.3	VU#480095
9.3	TA12-262A
9.3	MS12-063
9.3	CVE-2012-4969
Info : listing not affected by your CVSS Env Score

Same Subject	Severity
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9.3 - TA12-265A

Executive Summary

Security-Database Scoring CVSS v3

Security-Database Scoring CVSS v2

Detail

Original Source

OVAL Definitions

CPE : Common Platform Enumeration

SAINT Exploits

OpenVAS Exploits

Snort® IPS/IDS

Nessus® Vulnerability Scanner

Alert History

Global Informations

Open Standards

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