Microsoft Internet Explorer 6/7 Layout memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Microsoft Internet Explorer 6/7. The affected element is an unknown function of the component Layout Handler. This manipulation causes memory corruption. This vulnerability is registered as CVE-2012-1526. The attack requires access to the local network. Furthermore, an exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in Microsoft Internet Explorer 6/7 (Web Browser) and classified as critical. Affected by this vulnerability is some unknown processing of the component Layout Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect 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 an object that (1) was not initialized or (2) is deleted, aka "Layout Memory Corruption Vulnerability."

The issue has been introduced in 03/22/2001. The weakness was published 08/14/2012 with iDefense Labs VCP as MS12-052 as confirmed article (Microsoft Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is known as CVE-2012-1526 since 03/08/2012. Access to the local network is required for this attack to succeed. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. 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 4163 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 61527 (MS12-052: Cumulative Security Update for Internet Explorer (2722913)), 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 100125 (Microsoft Internet Explorer Cumulative Security Update (MS12-052)).

Applying the patch MS12-052 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 12478.

The vulnerability is also documented in the databases at Tenable (61527), SecurityFocus (BID 54950†), OSVDB (84595†), Secunia (SA50237†) and Vulnerability Center (SBV-35856†). Similar entries are available at VDB-5934, VDB-5936, VDB-5937 and VDB-5944. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

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

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 61527
Nessus Name: MS12-052: Cumulative Security Update for Internet Explorer (2722913)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902923
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2722913)
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: MS12-052
TippingPoint: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/22/2001 🔍
03/08/2012 +4004 days 🔍
08/14/2012 +159 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/14/2012 +0 days 🔍
08/15/2012 +1 days 🔍
08/15/2012 +0 days 🔍
08/16/2012 +1 days 🔍
03/27/2021 +3145 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-052
Researcher: https://gwslabs.com
Organization: iDefense Labs VCP
Status: Confirmed

CVE: CVE-2012-1526 (🔍)
GCVE (CVE): GCVE-0-2012-1526
GCVE (VulDB): GCVE-100-5935

OVAL: 🔍

SecurityFocus: 54950
Secunia: 50237 - Microsoft Internet Explorer Multiple Vulnerabilities, Highly Critical
OSVDB: 84595
Vulnerability Center: 35856 - [MS12-052] Microsoft Internet Explorer 6 and 7 Remote Layout Memory Corruption Vulnerability, Critical

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

Entryinfo

Created: 08/16/2012 11:15
Updated: 03/27/2021 10:54
Changes: 08/16/2012 11:15 (54), 04/07/2017 12:18 (29), 03/27/2021 10:49 (7), 03/27/2021 10:54 (1)
Complete: 🔍
Cache ID: 216:0B6:103

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