Microsoft Internet Explorer onUnload handler URL spoofing
| ie-onunload-url-spoofing (32649) |  Low Risk |
Description:
Microsoft Internet Explorer could allow a remote attacker to spoof the URL in the address bar, caused by improper handling of JavaScript onUnload handlers. An attacker could create a specially-crafted Web page to spoof URLs and possibly perform phishing attacks, if the attacker could persuade the victim to visit the malicious site.
Platforms Affected:
- Microsoft, Internet Explorer 5.01 SP4
- Microsoft, Internet Explorer 6 SP1
- Microsoft, Internet Explorer 6
- Microsoft, Internet Explorer 7
- Microsoft, Windows 2000 SP4
- Microsoft, Windows 2003 Server SP1 Itanium
- Microsoft, Windows 2003 Server SP2 Itanium
- Microsoft, Windows 2003 Server SP1
- Microsoft, Windows 2003 Server x64
- Microsoft, Windows 2003 Server SP2
- Microsoft, Windows 2003 Server SP2 x64
- Microsoft, Windows Vista
- Microsoft, Windows Vista x64
- Microsoft, Windows XP SP2
- Microsoft, Windows XP SP2 Professional x64
- Microsoft, Windows XP Professional x64
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 The original bulletin issued by Microsoft has been superseded.
Consequences:
Bypass Security
References:
- Full-Disclosure Mailing List, Fri Feb 23 2007 - 02:45:26 CST, [Full-disclosure] Secunia Research: Internet Explorer 7 "onunload" Event Spoofing Vulnerability at http://archives.neohapsis.com/archives/fulldisclosure/2007-02/0533.html.
- Full-Disclosure Mailing List, Thu Feb 22 2007 - 19:29:00 CST, MSIE7 browser entrapment vulnerability (probably Firefox, too) at http://archives.neohapsis.com/archives/fulldisclosure/2007-02/0524.html.
- Microsoft Security Bulletin MS07-057, Cumulative Security Update for Internet Explorer (939653) at http://www.microsoft.com/technet/security/Bulletin/MS07-057.mspx.
- Microsoft Security Bulletin MS07-069, Cumulative Security Update for Internet Explorer (942615) at http://www.microsoft.com/technet/security/bulletin/ms07-069.mspx.
- Microsoft Security Bulletin MS08-010, Cumulative Security Update for Internet Explorer (944533) at http://www.microsoft.com/technet/security/bulletin/ms08-010.mspx.
- Microsoft Security Bulletin MS08-024, Cumulative Security Update for Internet Explorer (947864) at http://www.microsoft.com/technet/security/bulletin/ms08-024.mspx.
- Microsoft Security Bulletin MS08-031, Cumulative Security Update for Internet Explorer (950759) at http://www.microsoft.com/technet/security/Bulletin/MS08-031.mspx.
- ASA-2007-417: MS07-057 Cumulative Security Update for Internet Explorer (939653)
- BID-22680: Microsoft Internet Explorer OnUnload Javascript Browser Entrapment Vulnerability
- CVE-2007-1091: Microsoft Internet Explorer 7 allows remote attackers to prevent users from leaving a site, spoof the address bar, and conduct phishing and other attacks via onUnload Javascript handlers.
- FrSIRT/ADV-2007-0713: Microsoft Internet Explorer onunload Event Handling Address Bar Spoofing Weakness
- SA23014: Internet Explorer "onunload" Event Spoofing Vulnerability
- SECTRACK ID: 1018788: Microsoft Internet Explorer Bugs Let Remote Users Spoof the Address Bar and Execute Arbitrary Code
Reported:
Feb 23, 2007
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