Microsoft Internet Explorer 6/7 OnReadyStateChange code injection

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft Internet Explorer 6/7 and classified as critical. Impacted is an unknown function of the component OnReadyStateChange. Performing a manipulation results in code injection. This vulnerability was named CVE-2012-0170. The attack may be initiated remotely. In addition, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Internet Explorer 6/7 (Web Browser). This affects an unknown part of the component OnReadyStateChange. 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. The summary by CVE is:

Microsoft Internet Explorer 6 and 7 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "OnReadyStateChange Remote Code Execution Vulnerability."

The weakness was presented 04/10/2012 by Jose Antonio Vazquez Gonzalez with VeriSign iDefense Labs as MS12-023 as confirmed knowledge base article (Website). It is possible to read the advisory at technet.microsoft.com. The public release was coordinated in cooperation with Microsoft. This vulnerability is uniquely identified as CVE-2012-0170 since 12/13/2011. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a private exploit is available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 58655 (MS12-023: Cumulative Security Update for Internet Explorer (2675157)), 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 100113 (Microsoft Internet Explorer Cumulative Security Update (MS12-023)).

Applying the patch MS12-023 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 12229.

The vulnerability is also documented in the databases at X-Force (74381), Tenable (58655), SecurityFocus (BID 52904†), OSVDB (81128†) and Secunia (SA48724†). See VDB-5041, VDB-5042, VDB-5044 and VDB-5045 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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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: 4.8

VulDB Base Score: 5.5
VulDB Temp Score: 4.8
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: 🔍
Access: Private
Status: Unproven

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EPSS Percentile: 🔍

Price Prediction: 🔍
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Nessus ID: 58655
Nessus Name: MS12-023: Cumulative Security Update for Internet Explorer (2675157)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902670
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2675157)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS12-023
TippingPoint: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

12/13/2011 🔍
04/10/2012 +119 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/10/2012 +0 days 🔍
04/11/2012 +1 days 🔍
04/11/2012 +0 days 🔍
03/22/2021 +3267 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-023
Researcher: Jose Antonio Vazquez Gonzalez
Organization: VeriSign iDefense Labs
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-0170 (🔍)
GCVE (CVE): GCVE-0-2012-0170
GCVE (VulDB): GCVE-100-5043

OVAL: 🔍

X-Force: 74381 - Microsoft Internet Explorer \tOnReadyStateChange code execution, High Risk
SecurityFocus: 52904 - Microsoft Internet Explorer CVE-2012-0170 OnReadyStateChange Remote Code Execution Vulnerability
Secunia: 48724 - Microsoft Internet Explorer Multiple Vulnerabilities, Highly Critical
OSVDB: 81128 - Microsoft IE onReadyStateChange Event Deleted Object Handling Remote Memory Corruption
SecurityTracker: 1026901 - Microsoft Internet Explorer Bugs Let Remote Users Execute Arbitrary Code
Vulnerability Center: 34837 - [MS12-023] Microsoft Internet Explorer 6-7 OnReadyStateChange Remote Code Execution Vulnerability, Critical

See also: 🔍

Entryinfo

Created: 04/11/2012 14:10
Updated: 03/22/2021 16:06
Changes: 04/11/2012 14:10 (54), 04/07/2017 12:02 (39), 03/22/2021 16:00 (8), 03/22/2021 16:06 (1)
Complete: 🔍
Cache ID: 216:241:103

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