Microsoft Internet Explorer CSS expression property XSS filter bypass

ie-xss-filter-bypass (47277) The risk level is classified as MediumMedium Risk

Description:

Microsoft Internet Explorer could allow a remote attacker to bypass cross-site scripting filtering and launch cross-site scripting attacks against vulnerable Web sites. An attacker could exploit this vulnerability by injecting malicious data into the CSS expression property.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 4.1
  Exploitability: High
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

Bypass Security

Remedy:

No remedy available as of September 1, 2014.

References:

  • BugTraq Mailing List, Thu Dec 11 2008 - 10:27:43 CST : Aspect9: Internet Explorer 8.0 Beta 2 Anti-XSS Filter Vulnerabilities.
  • Microsoft Internet Explorer Web site: Windows Internet Explorer 8.
  • BID-32780: Internet Explorer 8 CSS 'expression' Property Cross Site Scripting Filter Bypass Weakness
  • CVE-2008-5551: The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 allows remote attackers to bypass the XSS protection mechanism and conduct XSS attacks by injecting data at two different positions within an HTML document, related to STYLE elements and the CSS expression property, aka a double injection.
  • OSVDB ID: 57062: Microsoft IE STYLE Element / CSS Expression Property Double Content Injection XSS Filter Bypass

Platforms Affected:

  • Microsoft Internet Explorer 8.0 beta2

Reported:

Dec 11, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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