Microsoft Internet Explorer 6/7/8/9 Deleted Virtual Function Table code injection

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5.0$0-$5k0.00

A vulnerability, which was classified as critical, was found in Microsoft Internet Explorer 6/7/8/9 (Web Browser). Affected is an unknown code block of the component Deleted Virtual Function Table Handler. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a malformed virtual function table after this table s deletion, aka "Virtual Function Table Corruption Remote Code Execution Vulnerability."

The weakness was shared 08/14/2012 by Sing-ting Tsai and Ming-Chieh Pan with Trend Micro as MS12-052 as confirmed bulletin (Microsoft Technet). The advisory is available at technet.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is traded as CVE-2012-2522 since 05/09/2012. Access to the local network is required for this attack. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are unknown but a private exploit is available. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 61527 (MS12-052: Cumulative Security Update for Internet Explorer (2722913)), 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 100125 (Microsoft Internet Explorer Cumulative Security Update (MS12-052)).

Applying the patch MS12-052 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 12477.

The vulnerability is also documented in the vulnerability database at Tenable (61527). The entries 5935, 5936, 5937 and 5944 are related to this item.

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  • end of life

CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
ATT&CK: T1059

Local: No
Remote: Partially

Availability: 🔍
Access: Private
Status: Proof-of-Concept

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Nessus ID: 61527
Nessus Name: MS12-052: Cumulative Security Update for Internet Explorer (2722913)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 902923
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2722913)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS12-052
TippingPoint: 🔍
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Timelineinfo

05/09/2012 🔍
08/14/2012 +97 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/15/2012 +1 days 🔍
08/16/2012 +1 days 🔍
03/27/2021 +3145 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-052
Researcher: Sing-ting Tsai, Ming-Chieh Pan
Organization: Trend Micro
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-2522 (🔍)
OVAL: 🔍

SecurityTracker: 1027390 - Microsoft Internet Explorer Bugs Let Remote Users Execute Arbitrary Code
Vulnerability Center: 35860 - [MS12-052] Microsoft Internet Explorer 6-9 Virtual Function Table Corruption Allows Code Execution, Critical
SecurityFocus: 54951
Secunia: 50237 - Microsoft Internet Explorer Multiple Vulnerabilities, Highly Critical
OSVDB: 84594 - Microsoft IE Deleted Virtual Function Table Handling Arbitrary Code Execution

scip Labs: https://www.scip.ch/en/?labs.20161013
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Entryinfo

Created: 08/16/2012 10:49
Updated: 03/27/2021 10:47
Changes: 08/16/2012 10:49 (56), 04/07/2017 12:02 (28), 03/27/2021 10:41 (8), 03/27/2021 10:47 (1)
Complete: 🔍

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