Microsoft Internet Explorer 9/10 CMarkup Object resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

A vulnerability was found in Microsoft Internet Explorer 9/10 (Web Browser). It has been classified as critical. This affects some unknown processing of the component CMarkup Object Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "CMarkup Use After Free Vulnerability."

The bug was discovered 12/11/2012. The weakness was published 12/11/2012 by Rosario Valotta as MS12-077 as confirmed bulletin (Microsoft Technet). The advisory is shared at technet.microsoft.com. The public release has been coordinated with Microsoft. This vulnerability is uniquely identified as CVE-2012-4782 since 09/06/2012. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 63224 (MS12-077: Cumulative Security Update for Internet Explorer (2761465)), 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 100130 (Microsoft Internet Explorer Cumulative Security Update (MS12-077)).

Applying the patch MS12-077 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.

The vulnerability is also documented in the databases at X-Force (80365) and Tenable (63224). Similar entries are available at 7124 and 7127.

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  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 63224
Nessus Name: MS12-077: Cumulative Security Update for Internet Explorer (2761465)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902696
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2761465)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Patch: MS12-077

Timelineinfo

09/06/2012 🔍
12/11/2012 +95 days 🔍
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12/12/2012 +1 days 🔍
12/14/2012 +2 days 🔍
04/20/2021 +3049 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-077
Researcher: Rosario Valotta
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-4782 (🔍)
OVAL: 🔍

X-Force: 80365
SecurityTracker: 1027851 - Microsoft Internet Explorer Multiple Use-After-Free Bugs Let Remote Users Execute Arbitrary Code
Vulnerability Center: 37652 - [MS12-077] Microsoft Internet Explorer 9 Code Execution - CVE-2012-4782, Critical
SecurityFocus: 56829 - Microsoft Internet Explorer CMarkup Use-After-Free Remote Code Execution Vulnerability
Secunia: 51411 - Microsoft Internet Explorer Three Use-After-Free Vulnerabilities, Highly Critical
OSVDB: 88318 - Microsoft IE CMarkup Object Handling Use-after-free Arbitrary Code Execution

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Entryinfo

Created: 12/14/2012 18:13
Updated: 04/20/2021 09:57
Changes: 12/14/2012 18:13 (54), 04/07/2017 15:21 (27), 04/20/2021 09:47 (8), 04/20/2021 09:53 (2), 04/20/2021 09:57 (1)
Complete: 🔍

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