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Secunia Advisory SA15368

Microsoft Internet Explorer Multiple Vulnerabilities

Secunia Advisory

SA15368

Release Date

2005-12-13

Last Update

2006-02-10

Popularity

41,252 views

Comments

0 comments

Criticality level

Highly critical

Impact

Security Bypass
Exposure of sensitive information
System access

Where

From remote

Authentication level

Available in Customer Area

Report reliability

Available in Customer Area

Solution Status

Vendor Patch

Systems affected

Available in Customer Area

Approve distribution

Available in Customer Area

Remediation status

Secunia CSI, Secunia PSI

Automated scanning

Secunia CSI, Secunia PSI

Software:

Microsoft Internet Explorer 5.01

Microsoft Internet Explorer 5.5

Microsoft Internet Explorer 6.x

Secunia CVSS Score

Available in Customer Area

CVE Reference(s)

CVE-2005-1790 CVSS available in Customer Area
CVE-2005-2829 CVSS available in Customer Area
CVE-2005-2830 CVSS available in Customer Area
CVE-2005-2831 CVSS available in Customer Area
CVE-2006-0057 CVSS available in Customer Area

Description

Five vulnerabilities have been reported in Microsoft Internet Explorer, which can be exploited by malicious people to view potentially sensitive information, to trick users into downloading and executing arbitrary programs, and to compromise a user's system.

1) A design error in the processing of keyboard shortcuts for certain security dialogs can e.g. be exploited to delay the "File Download" dialog box and trick users into executing a malicious ".bat" file after pressing the "r" key.

2) A design error in the processing of mouse clicks in new browser windows and the predictability of the position of the "File Download" dialog box can be exploited to trick the user into clicking on the "Run" button of the dialog box. This is exploited by first causing a "File Download" dialog box to be displayed underneath a new browser window, and then tricking the user into double-clicking within a specific area in the new window. This will result in an unintended click of the "Run" button in the hidden "File Download" dialog box.

3) An error exists in Internet Explorer when used with a HTTPS proxy server that requires clients to use Basic Authentication. This may cause web addresses that are sent from Internet Explorer to be disclosed to a third-party even when HTTPS connection is used.

4) An error exists when certain COM objects that are not intended to be used with Internet Explorer are instantiated in Internet Explorer. This can be exploited to execute arbitrary code via a malicious webpage that instantiates a vulnerable COM object.

This is related to:
SA16480

5) An error exists in the initialisation of certain objects when the "window()" function is used in conjunction with the "<body onload>" event. This can be exploited to execute arbitrary code via a malicious webpage.

For more information:
SA15546

The vulnerabilities #1, #2, and #5 have been confirmed on a fully patched system with Internet Explorer 6.0 and Microsoft Windows XP SP2. Other versions may also be affected.

Solution
Apply patches.
Further details available in Customer Area

Provided and/or discovered by
1) Andreas Sandblad, Secunia Research
2) Jakob Balle, Secunia Research
4) Will Dormann, CERT/CC

Changelog
Further details available in Customer Area

Original Advisory
Secunia Research:
http://secunia.com/secunia_research/2005-7/advisory/
http://secunia.com/secunia_research/2005-21/advisory/

MS05-054 (KB905915):
http://www.microsoft.com/technet/security/Bulletin/MS05-054.mspx

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Microsoft Internet Explorer Multiple Vulnerabilities

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Secunia Advisory SA15368

Microsoft Internet Explorer Multiple Vulnerabilities

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