Microsoft Internet Explorer 8 memory corruption

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

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Internet Explorer 8. This affects an unknown part. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2011-1251. Remote exploitation of the attack is possible. No 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 8 (Web Browser). This affects some unknown functionality. 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. The summary by CVE is:

Microsoft Internet Explorer 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, aka "DOM Manipulation Memory Corruption Vulnerability."

The weakness was published 06/16/2011 as MS11-050 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is uniquely identified as CVE-2011-1251. It is possible to initiate the attack remotely. No form of authentication is needed for 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 vulnerability scanner Nessus provides a plugin with the ID 55130 , 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 100103 (Microsoft Internet Explorer Cumulative Security Update (MS11-050)).

Applying the patch MS11-050 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11322.

The vulnerability is also documented in the databases at Tenable (55130), SecurityFocus (BID 48203†) and Vulnerability Center (SBV-31787†). Similar entries are available at VDB-4372, VDB-58992, VDB-57683 and VDB-57682. Statistical analysis made it clear that VulDB provides the best quality 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: 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
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 55130
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 902443
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2530548)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS11-050
TippingPoint: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/04/2011 🔍
06/14/2011 +102 days 🔍
06/15/2011 +1 days 🔍
06/16/2011 +1 days 🔍
06/16/2011 +0 days 🔍
03/23/2015 +1376 days 🔍
11/08/2021 +2422 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS11-050
Status: Confirmed

CVE: CVE-2011-1251 (🔍)
GCVE (CVE): GCVE-0-2011-1251
GCVE (VulDB): GCVE-100-57675

OVAL: 🔍

SecurityFocus: 48203
Vulnerability Center: 31787 - [MS11-050] Microsoft Internet Explorer 8 Remote Memory Corruption Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/08/2021 19:51
Changes: 03/23/2015 16:50 (43), 04/07/2017 12:10 (22), 11/08/2021 19:36 (1), 11/08/2021 19:45 (7), 11/08/2021 19:51 (2)
Complete: 🔍
Cache ID: 216:B74:103

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