Microsoft Internet Explorer 6/7/8 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability, which was classified as critical, was found in Microsoft Internet Explorer 6/7/8 (Web Browser). Affected is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, as demonstrated by Stephen Fewer as the first of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011, aka "Object Management Memory Corruption Vulnerability."

The issue has been introduced in 03/05/2008. The weakness was shared 03/10/2011 as MS11-018 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is traded as CVE-2011-1345. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/19/2021). It is expected to see the exploit prices for this product decreasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 1100 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 53375 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100099 (Microsoft Internet Explorer Cumulative Security Update (MS11-018)).

Applying the patch MS11-018 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11040.

The vulnerability is also documented in the databases at X-Force (66436) and Tenable (53375). The entries 4340, 55988, 56786 and 56785 are related to this item.

Productinfo

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Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 53375
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 900278
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2497640)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS11-018
TippingPoint: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/05/2008 🔍
03/09/2011 +1099 days 🔍
03/10/2011 +0 days 🔍
03/10/2011 +0 days 🔍
03/10/2011 +0 days 🔍
03/22/2011 +12 days 🔍
03/20/2015 +1459 days 🔍
10/19/2021 +2405 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS11-018
Status: Confirmed

CVE: CVE-2011-1345 (🔍)
OVAL: 🔍

X-Force: 66436
Vulnerability Center: 30611 - [MS11-018] Microsoft Internet Explorer 6, 7 and 8 Remote Code Execution Vulnerability, Medium
SecurityFocus: 46821

See also: 🔍

Entryinfo

Created: 03/20/2015 16:16
Updated: 10/19/2021 10:53
Changes: 03/20/2015 16:16 (46), 04/07/2017 12:10 (23), 10/19/2021 10:42 (1), 10/19/2021 10:47 (7), 10/19/2021 10:53 (1)
Complete: 🔍

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