Microsoft Internet Explorer location and location.href security bypass

ie-location-locationhref-security-bypass (43366) The risk level is classified as MediumMedium Risk

Description:

Microsoft Internet Explorer could allow a remote attacker to bypass cross-domain security restrictions, caused by an error in the location and location.href property of a window object. By persuading a victim to visit a specially-crafted Web site, a remote attacker could bypass same-origin policy restrictions and execute JavaScript in the context of another site. An attacker could exploit this vulnerability to possibly perform cross-site scripting attacks and launch further attacks on the vulnerable system.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3.7
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.

— OR —

Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superseded.

References:

  • Microsoft Security Bulletin MS08-058: Cumulative Security Update for Internet Explorer (956390).
  • Microsoft Security Bulletin MS08-073: Cumulative Security Update for Internet Explorer (958215).
  • Microsoft Security Bulletin MS09-002: Cumulative Security Update for Internet Explorer (961260).
  • Microsoft Security Bulletin MS09-014: Cumulative Security Update for Internet Explorer (963027).
  • Microsoft Security Bulletin MS09-014: Cumulative Security Update for Internet Explorer (963027).
  • NORTEL BULLETIN ID: 2008009123, Rev 1: Nortel Response to Microsoft Security Bulletin MS08-058.
  • Ph4nt0m Security Team Advisory: Issue 0x02, Phile #0x04 of 0x0A.
  • ASA-2008-411: MS08-058 Cumulative Security Update for Internet Explorer (956390)
  • BID-29960: Microsoft Internet Explorer 'location' & 'location.href' Cross Domain Security Bypass Vulnerability
  • CVE-2008-2947: Cross-domain vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 7 allows remote attackers to access restricted information from other domains via JavaScript that uses the Object data type for the value of a (1) location or (2) location.href property, related to incorrect determination of the origin of web script, aka Window Location Property Cross-Domain Vulnerability. NOTE: according to Microsoft, CVE-2008-2948 and CVE-2008-2949 are duplicates of this issue, probably different attack vectors.
  • SA30857: Internet Explorer 6 Window "location" Handling Vulnerability
  • SECTRACK ID: 1020382: Microsoft Internet Explorer Lets Remote Users Conduct Cross-Domain Scripting Attacks
  • US-CERT VU#923508: Microsoft Internet Explorer 6 contains a cross-domain vulnerability

Platforms Affected:

  • Microsoft Internet Explorer 5.0.1 SP4
  • Microsoft Internet Explorer 6.0
  • Microsoft Internet Explorer 6.0 SP1
  • Microsoft Internet Explorer 7.0

Reported:

Jun 26, 2008

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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email ignore thisxforceignore this@ignore thisus.ignore thisibm.comignore this

Return to the main page

* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.

About IBM Internet Security Systems

IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.