Microsoft Internet Explorer 9 Event Listener resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 9 and classified as critical. This affects an unknown part of the component Event Listener. Executing a manipulation can lead to resource management. The identification of this vulnerability is CVE-2012-2546. The attack may be launched remotely. Furthermore, there is an exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 9 (Web Browser). It has been declared as critical. This vulnerability affects an unknown code of the component Event Listener. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Event Listener Use After Free Vulnerability."

The issue has been introduced in 03/16/2010. The weakness was shared 09/21/2012 by Rosario Valotta as MS12-063 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 was named CVE-2012-2546 since 05/09/2012. The attack can be initiated remotely. A single authentication is needed for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 920 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 62223 (MS12-063: Cumulative Security Update for Internet Explorer (2744842)), 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 100127 (Microsoft Internet Explorer Cumulative Security Update (MS12-063) (SA2757760)).

Applying the patch MS12-063 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 12582.

The vulnerability is also documented in the databases at X-Force (78757), Tenable (62223), SecurityFocus (BID 55645†), OSVDB (85572†) and SecurityTracker (ID 1027555†). Additional details are provided at support.microsoft.com. The entries VDB-6299, VDB-6513, VDB-6515 and VDB-6516 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
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Nessus ID: 62223
Nessus Name: MS12-063: Cumulative Security Update for Internet Explorer (2744842)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803028
OpenVAS Name: Microsoft Internet Explorer Remote Code Execution Vulnerability (2757760)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: MS12-063
TippingPoint: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/16/2010 🔍
05/09/2012 +785 days 🔍
09/21/2012 +135 days 🔍
09/21/2012 +0 days 🔍
09/21/2012 +0 days 🔍
09/21/2012 +0 days 🔍
09/21/2012 +0 days 🔍
09/21/2012 +0 days 🔍
09/21/2012 +0 days 🔍
09/23/2012 +2 days 🔍
09/24/2012 +1 days 🔍
04/14/2021 +3124 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-063
Researcher: Rosario Valotta
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-2546 (🔍)
GCVE (CVE): GCVE-0-2012-2546
GCVE (VulDB): GCVE-100-6514

OVAL: 🔍

X-Force: 78757 - Microsoft Internet Explorer Event Listener code execution, High Risk
SecurityFocus: 55645 - Microsoft Internet Explorer Event Listener Use-After-Free Remote Code Execution Vulnerability
OSVDB: 85572 - Microsoft IE Event Listener Unspecified Use-after-free Memory Corruption
SecurityTracker: 1027555 - Microsoft Internet Explorer Multiple Use-After-Free Bugs Let Remote Users Execute Arbitrary Code
Vulnerability Center: 36186 - [MS12-063] Microsoft Internet Explorer 9 Event Listener Use After Free Vulnerability, Critical

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/24/2012 10:38
Updated: 04/14/2021 12:37
Changes: 09/24/2012 10:38 (59), 04/07/2017 12:02 (34), 04/14/2021 12:34 (8), 04/14/2021 12:37 (1)
Complete: 🔍
Committer: olku
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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