Microsoft Internet Explorer 8 information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Internet Explorer 8. Affected by this issue is some unknown functionality. Performing a manipulation results in information disclosure. This vulnerability is reported as CVE-2011-1992. The attack is possible to be carried out remotely. Moreover, an exploit is present. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Microsoft Internet Explorer 8 (Web Browser). This affects an unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

The XSS Filter in Microsoft Internet Explorer 8 allows remote attackers to read content from a different (1) domain or (2) zone via a "trial and error" attack, aka "XSS Filter Information Disclosure Vulnerability."

The issue has been introduced in 03/05/2008. The weakness was disclosed 12/13/2011 as MS11-099 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The public release has been coordinated in cooperation with Microsoft. This vulnerability is uniquely identified as CVE-2011-1992 since 05/09/2011. 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. Technical details are unknown but a private exploit is available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1378 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 57285 (MS11-099: Cumulative Security Update for Internet Explorer (2618444)), 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 100114 (Microsoft Cumulative Security Update for Internet Explorer (MS11-099)).

Upgrading to version 9 eliminates this vulnerability. Applying the patch KB2618444 is able to eliminate this problem. The bugfix is ready for download at support.microsoft.com. The best possible mitigation is suggested to be patching the affected component. 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 11745.

The vulnerability is also documented in the databases at Tenable (57285), SecurityFocus (BID 50974†), OSVDB (77673†), Secunia (SA47212†) and Vulnerability Center (SBV-34029†). Further details are available at computerworld.com. The entries VDB-4454, VDB-4470, VDB-4466 and VDB-4469 are pretty similar. 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: 4.3
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Unproven

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 57285
Nessus Name: MS11-099: Cumulative Security Update for Internet Explorer (2618444)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902642
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2618444)
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: 🔍

Upgrade: Internet Explorer 9
Patch: KB2618444
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

03/05/2008 🔍
05/09/2011 +1160 days 🔍
12/13/2011 +218 days 🔍
12/13/2011 +0 days 🔍
12/13/2011 +0 days 🔍
12/13/2011 +0 days 🔍
12/13/2011 +0 days 🔍
12/13/2011 +0 days 🔍
12/13/2011 +0 days 🔍
12/14/2011 +0 days 🔍
01/21/2012 +38 days 🔍
03/20/2021 +3346 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS11-099
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2011-1992 (🔍)
GCVE (CVE): GCVE-0-2011-1992
GCVE (VulDB): GCVE-100-4467

OVAL: 🔍

SecurityFocus: 50974 - Microsoft Internet Explorer XSS Filter Cross Domain Information Disclosure Vulnerability
Secunia: 47212 - Microsoft Internet Explorer Three Vulnerabilities, Highly Critical
OSVDB: 77673
Vulnerability Center: 34029 - [MS11-099] Microsoft Internet Explorer 8 XSS Filter Remote Information Disclosure Vulnerability, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/21/2012 01:00
Updated: 03/20/2021 07:15
Changes: 01/21/2012 01:00 (80), 04/07/2017 12:02 (11), 03/20/2021 07:15 (3)
Complete: 🔍
Cache ID: 216::103

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