Microsoft Internet Explorer Zone domain name denial of service

ie-zone-dos (35455) The risk level is classified as LowLow Risk

Description:

Microsoft Internet Explorer is vulnerable to a denial of service, caused by a vulnerability that can occur when resolving domain names in different Internet Explorer "Zones". By persuading a victim to visit a malicious Web page that uses JavaScript to fill "Zones" with arbitrary domain names containing certain metacharacters, a remote attacker could consume an excessive amount of CPU resources the next time Internet Explorer is launched.

Platforms Affected:

  • Microsoft, Internet Explorer 6
  • Microsoft, Internet Explorer 7

Remedy:

No remedy available as of September 6, 2008.

Consequences:

Denial of Service

References:

  • Full-Disclosure Mailing List, Sun Jul 01 2007 - 11:53:42 CDT, Advisory : Internet Explorer Zone Domain Specification Dos and Page suppressing. at http://archives.neohapsis.com/archives/fulldisclosure/2007-06/0640.html.
  • Microsoft Internet Explorer Web site, Internet Explorer: Home Page at http://www.microsoft.com/windows/products/winfamily/ie/default.mspx.
  • BID-24744: Microsoft Internet Explorer Zone Denial of Service Vulnerability
  • CVE-2007-3550: ** DISPUTED ** Microsoft Internet Explorer 6.0 and 7.0 allows remote attackers to fill Zones with arbitrary domains using certain metacharacters such as wildcards via JavaScript, which results in a denial of service (website suppression and resource consumption), aka Internet Explorer Zone Domain Specification Dos and Page Suppressing. NOTE: this issue has been disputed by a third party, who states that the zone settings cannot be manipulated.

Reported:

Jul 01, 2007

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