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Secunia Advisory SA18957

Internet Explorer Multiple Vulnerabilities
Secunia Advisory SA18957
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Release Date 2006-04-11
Last Update 2006-04-14
   
Popularity 21,348 views
Comments 0 comments

Criticality level Highly criticalHighly critical
Impact Cross Site Scripting
Spoofing
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-2006-1185 CVSS available in Customer Area
CVE-2006-1186 CVSS available in Customer Area
CVE-2006-1188 CVSS available in Customer Area
CVE-2006-1189 CVSS available in Customer Area
CVE-2006-1190 CVSS available in Customer Area
CVE-2006-1191 CVSS available in Customer Area
CVE-2006-1192 CVSS available in Customer Area
CVE-2006-1245 CVSS available in Customer Area
  

Description

Multiple vulnerabilities have been reported in Internet Explorer, which can be exploited by malicious people to conduct cross-site scripting attacks, conduct phishing attacks, or compromise a user's system.

1) An error in the cross-domain restriction when accessing properties of certain dynamically created objects can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an arbitrary site via a JavaScript URI handler applied on a dynamically created "object" tag.

2) An error within the handling of multiple event handlers (e.g. onLoad) in an HTML element can be exploited to corrupt memory in a way that may allow execution of arbitrary code.

For more information:
SA19269

3) An error within the parsing of specially crafted, non-valid HTML can be exploited to corrupt memory in a way that allows execution of arbitrary code when a malicious HTML document is viewed.

4) An error within the instantiation of COM objects that are not intended to be instantiated in Internet Explorer can be exploited to corrupt memory in a way that allows execution of arbitrary code.

5) An error within the handling of HTML elements containing a specially crafted tag can be exploited to corrupt memory in a way that allows execution of arbitrary code.

6) An error within the handling of double-byte characters in specially crafted URLs can be exploited to corrupt memory in a way that allows execution of arbitrary code.

Successful exploitation requires that the system uses double-byte character sets.

7) An error in the way IOleClientSite information is returned when an embedded object is dynamically created can be exploited to execute arbitrary code in context of another site or security zone.

8) An unspecified error can be exploited to spoof information displayed in the address bar and other parts of the trust UI.

9) Some unspecified vulnerabilities exist in the two ActiveX controls included with Danim.dll and Dxtmsft.dll.


Solution
Apply patches.
Further details available in Customer Area

Provided and/or discovered by
1) Discovered by anonymous person.
2) Michal Zalewski
3) The vendor credits Jan P. Monsch, Compass Security Network Computing.
4) The vendor credits Richard M. Smith, Boston Software Forensics.
5) Thomas Waldegger
6) Sowhat, Nevis Labs.
7) The vendor credits Heiko Schultze, SAP.
9) The vendor credits Will Dormann, CERT/CC.

Changelog
Further details available in Customer Area

Original Advisory
MS06-013 (KB912812):
http://www.microsoft.com/technet/security/Bulletin/MS06-013.mspx

Thomas Waldegger:
http://morph3us.org/advisories/20060412-msie6-sp2.txt

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: Internet Explorer Multiple Vulnerabilities
 
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