Microsoft Internet Explorer 6/7/8 VML code injection

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 6/7/8. It has been classified as problematic. The impacted element is an unknown function of the component VML. The manipulation leads to code injection. This vulnerability is referenced as CVE-2012-0172. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 6/7/8 (Web Browser) and classified as problematic. This issue affects an unknown code block of the component VML. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Internet Explorer 6 through 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "VML Style Remote Code Execution Vulnerability."

The weakness was published 04/10/2012 with TippingPoint's Zero Day Initiative as MS12-023 as confirmed knowledge base article (Website) via ZDI (Zero Day Initiative). The advisory is shared at technet.microsoft.com. The public release has been coordinated with Microsoft. The identification of this vulnerability is CVE-2012-0172 since 12/13/2011. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a private exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 58655 (MS12-023: Cumulative Security Update for Internet Explorer (2675157)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100113 (Microsoft Internet Explorer Cumulative Security Update (MS12-023)).

Applying the patch MS12-023 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12230.

The vulnerability is also documented in the databases at X-Force (74383), Tenable (58655), SecurityFocus (BID 52906†), OSVDB (81130†) and Secunia (SA48724†). Similar entries are available at VDB-5041, VDB-5042, VDB-5044 and VDB-5043. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.5
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 58655
Nessus Name: MS12-023: Cumulative Security Update for Internet Explorer (2675157)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902670
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2675157)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS12-023
TippingPoint: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

12/13/2011 🔍
04/10/2012 +119 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/11/2012 +1 days 🔍
04/11/2012 +0 days 🔍
03/22/2021 +3267 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-023
Organization: TippingPoint's Zero Day Initiative
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-0172 (🔍)
GCVE (CVE): GCVE-0-2012-0172
GCVE (VulDB): GCVE-100-5045

OVAL: 🔍

X-Force: 74383 - Microsoft Internet Explorer VML code execution, High Risk
SecurityFocus: 52906 - Microsoft Internet Explorer CVE-2012-0172 VML Style Remote Code Execution Vulnerability
Secunia: 48724 - Microsoft Internet Explorer Multiple Vulnerabilities, Highly Critical
OSVDB: 81130 - Microsoft IE vgx.dll VML Style Deleted Object Handling Remote Memory Corruption
SecurityTracker: 1026901 - Microsoft Internet Explorer Bugs Let Remote Users Execute Arbitrary Code
Vulnerability Center: 34839 - [MS12-023] Microsoft Internet Explorer 6-8 VML Style Remote Code Execution Vulnerability, Critical

See also: 🔍

Entryinfo

Created: 04/11/2012 14:10
Updated: 03/22/2021 16:25
Changes: 04/11/2012 14:10 (54), 04/07/2017 12:02 (39), 03/22/2021 16:20 (8), 03/22/2021 16:25 (1)
Complete: 🔍
Cache ID: 216::103

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