Microsoft Internet Explorer 5.01 information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability has been found in Microsoft Internet Explorer 5.01 (Web Browser) and classified as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Microsoft Internet Explorer 5.01 and 6 allows certain script to persist across navigations between pages, which allows remote attackers to obtain the window location of visited web pages in other domains or zones, aka "Window Location Information Disclosure Vulnerability."

The issue has been introduced in 11/08/1999. The weakness was presented 08/08/2006 as MS06-042 as confirmed bulletin (Technet). The advisory is shared at This vulnerability is known as CVE-2006-3640. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 2465 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 22184 (MS06-042: Cumulative Security Update for Internet Explorer (918899)), 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 100036 (Microsoft Cumulative Security Update for Internet Explorer (MS06-042)).

Applying the patch MS06-042 is able to eliminate this problem. The bugfix is ready for download at A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (28042), Tenable (22184), SecurityFocus (BID 19339†), OSVDB (27850†) and Secunia (SA21396†).








CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 22184
Nessus Name: MS06-042: Cumulative Security Update for Internet Explorer (918899)
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Threat Intelligenceinfo

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Recommended: Patch
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Patch: MS06-042
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11/08/1999 🔍
07/17/2006 +2442 days 🔍
08/08/2006 +22 days 🔍
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08/08/2006 +0 days 🔍
08/08/2006 +0 days 🔍
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08/09/2006 +0 days 🔍
03/12/2015 +3137 days 🔍
07/13/2021 +2315 days 🔍



Advisory: MS06-042
Status: Confirmed

CVE: CVE-2006-3640 (🔍)

X-Force: 28042
SecurityFocus: 19339 - Microsoft Internet Explorer Window Location Cross-Domain Information Disclosure Vulnerability
Secunia: 21396
OSVDB: 27850 - Microsoft IE Cross Site Window Location Information Disclosure
Vulnerability Center: 12501 - [MS06-042] Microsoft Internet Explorer Window Location Information Disclosure, Medium


Created: 03/12/2015 03:51 PM
Updated: 07/13/2021 08:30 AM
Changes: 03/12/2015 03:51 PM (69), 04/07/2017 12:08 PM (9), 07/13/2021 08:25 AM (2), 07/13/2021 08:30 AM (1)
Complete: 🔍
Cache ID: 44:542:40


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