Microsoft Internet Explorer up to 10 Object Ref Counting InjectHTMLStream resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Internet Explorer 6/7/8/9/10. The impacted element is the function InjectHTMLStream of the component Object Ref Counting. Such manipulation leads to resource management. This vulnerability is traded as CVE-2012-4787. The attack may be launched remotely. Furthermore, there is an exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 6/7/8/9/10 (Web Browser) and classified as critical. Affected by this issue is the function InjectHTMLStream of the component Object Ref Counting. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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 an object that (1) was not properly initialized or (2) is deleted, aka "Improper Ref Counting Use After Free Vulnerability."

The bug was discovered 12/11/2012. The weakness was shared 12/11/2012 by Fermin J. Serna with Google Security Team as MS12-077 as confirmed bulletin (Microsoft Technet). The advisory is shared for download at technet.microsoft.com. The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2012-4787 since 09/06/2012. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known.

The exploit is available at zhodiac.hispahack.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4282 days. During that time the estimated underground price was around $5k-$25k. 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12678.

The vulnerability is also documented in the databases at X-Force (80365), Tenable (63224), SecurityFocus (BID 56830†), OSVDB (88317†) and Secunia (SA51411†). The entries VDB-7125 and VDB-7127 are related to this item. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.0
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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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: Public
Status: Proof-of-Concept
Download: 🔍

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Price Prediction: 🔍
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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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: MS12-077
TippingPoint: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/22/2001 🔍
09/06/2012 +4186 days 🔍
12/06/2012 +91 days 🔍
12/11/2012 +5 days 🔍
12/11/2012 +0 days 🔍
12/11/2012 +0 days 🔍
12/11/2012 +0 days 🔍
12/11/2012 +0 days 🔍
12/12/2012 +1 days 🔍
12/14/2012 +2 days 🔍
10/17/2024 +4325 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-077
Researcher: Fermin J. Serna
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-4787 (🔍)
GCVE (CVE): GCVE-0-2012-4787
GCVE (VulDB): GCVE-100-7124

OVAL: 🔍

X-Force: 80365
SecurityFocus: 56830 - Microsoft Internet Explorer Improper Ref Counting Use-After-Free Remote Code Execution Vulnerability
Secunia: 51411 - Microsoft Internet Explorer Three Use-After-Free Vulnerabilities, Highly Critical
OSVDB: 88317 - Microsoft IE Object Ref Counting Use-after-free Arbitrary Code Execution
SecurityTracker: 1027851 - Microsoft Internet Explorer Multiple Use-After-Free Bugs Let Remote Users Execute Arbitrary Code
Vulnerability Center: 37654 - [MS12-077] Microsoft Internet Explorer 9 and 10 Code Execution - CVE-2012-4787, Critical

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

Entryinfo

Created: 12/14/2012 18:08
Updated: 10/17/2024 23:04
Changes: 12/14/2012 18:08 (61), 04/07/2017 12:02 (31), 04/20/2021 09:39 (8), 04/20/2021 09:41 (1), 10/17/2024 23:04 (26)
Complete: 🔍
Committer:
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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