Microsoft Internet Explorer 6/7/8/9/10 InjectHTMLStream Object code injection

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

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft Internet Explorer 6/7/8/9/10. Affected is an unknown function of the component InjectHTMLStream Object Handler. The manipulation leads to code injection. This vulnerability is uniquely identified as CVE-2012-4781. The attack is possible to be carried out remotely. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 6/7/8/9/10 (Web Browser). It has been rated as critical. This issue affects an unknown functionality of the component InjectHTMLStream Object Handler. 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:

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "InjectHTMLStream Use After Free Vulnerability."

The bug was discovered 12/11/2012. The weakness was disclosed 12/11/2012 by Rosario Valotta as MS12-077 as confirmed bulletin (Microsoft Technet). It is possible to read the advisory at technet.microsoft.com. The public release has been coordinated in cooperation with Microsoft. The identification of this vulnerability is CVE-2012-4781 since 09/06/2012. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/20/2021). It is expected to see the exploit prices for this product decreasing in the near future.The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

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), Tenable (63224), SecurityFocus (BID 56828†), OSVDB (88319†) and Secunia (SA51411†). The entries VDB-7124 and VDB-7125 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

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CPE 2.3info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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

Timelineinfo

09/06/2012 🔍
12/06/2012 +91 days 🔍
12/11/2012 +4 days 🔍
12/11/2012 +0 days 🔍
12/11/2012 +0 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 🔍
04/20/2021 +3049 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2012-4781 (🔍)
GCVE (CVE): GCVE-0-2012-4781
GCVE (VulDB): GCVE-100-7127

OVAL: 🔍

X-Force: 80365
SecurityFocus: 56828
Secunia: 51411 - Microsoft Internet Explorer Three Use-After-Free Vulnerabilities, Highly Critical
OSVDB: 88319
SecurityTracker: 1027851
Vulnerability Center: 37650 - [MS12-077] Microsoft Internet Explorer 9 Remote Code Execution Vulnerability due to Use-After-Free (CVE-2012-4781), Critical

See also: 🔍

Entryinfo

Created: 12/14/2012 18:15
Updated: 04/20/2021 10:15
Changes: 12/14/2012 18:15 (53), 04/07/2017 12:18 (26), 04/20/2021 10:04 (8), 04/20/2021 10:08 (2), 04/20/2021 10:15 (1)
Complete: 🔍
Committer:
Cache ID: 216:842:103

Be aware that VulDB is the high quality source for vulnerability data.

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