VDB-33188 · CVE-2006-5805 · GCVE-0-2006-5805

Microsoft Internet Explorer 7.0 Address Bar invalidcert.htm

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Microsoft Internet Explorer 7.0. Affected by this issue is some unknown functionality in the library res://ieframe.dll/invalidcert.htm of the component Address Bar. Such manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2006-5805. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 7.0 (Web Browser) and classified as problematic. Affected by this issue is an unknown functionality in the library res://ieframe.dll/invalidcert.htm of the component Address Bar. Impacted is integrity. CVE summarizes:

Microsoft Internet Explorer 7 allows remote attackers to cause a security certificate from a secure web site to appear invalid via a link to res://ieframe.dll/invalidcert.htm with the target site as an argument, which displays the site's URL in the address bar but causes Internet Explorer to report that the certificate is invalid.

The issue has been introduced in 07/27/2005. The weakness was presented 11/08/2006 as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2006-5805 since 11/08/2006. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 469 days. During that time the estimated underground price was around $25k-$100k. By approaching the search of inurl:res://ieframe.dll/invalidcert.htm it is possible to find vulnerable targets with Google Hacking.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1017165†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Web Browser

Vendor

Microsoft

Name

Internet Explorer

Version

License

commercial

Support

end of life

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/27/2005 🔍
11/07/2006 +468 days 🔍
11/08/2006 +1 days 🔍
11/08/2006 +0 days 🔍
11/08/2006 +0 days 🔍
03/12/2015 +3046 days 🔍
04/27/2026 +4064 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-2006-5805 (🔍)
GCVE (CVE): GCVE-0-2006-5805
GCVE (VulDB): GCVE-100-33188
SecurityTracker: 1017165 - Microsoft Internet Explorer 'ieframe.dll' Lets Remote Users Spoof Invalid Certificates

Entryinfo

Created: 03/12/2015 22:21
Updated: 04/27/2026 02:14
Changes: 03/12/2015 22:21 (46), 05/07/2019 12:41 (4), 04/27/2026 02:14 (25)
Complete: 🔍
Cache ID: 216::103