Microsoft ISA homepage function error page cross-site scripting
| isa-homepage-error-xss (12627) |  Medium Risk |
Description:
Microsoft Internet Security and Acceleration (ISA) Server is vulnerable to cross-site scripting, caused by a vulnerability in the homepage function. A remote attacker could embed malicious script within a URL request, which would be executed in the victim's Web browser within the security context of the hosting site, once the link is clicked and an error page is returned. An attacker could exploit this vulnerability by creating a malicious Web page and hosting it on a Web site or by sending it to a victim as an HTML email. An attacker could use this vulnerability to steal the victim's cookies.
Platforms Affected:
- Microsoft, ISA Server 2000
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS03-028. See References.
Consequences:
Gain Access
References:
- CIAC Information Bulletin N-119, Microsoft Internet Security and Acceleration (ISA) Server Error Pages Could Allow Cross-Site Scripting Attack at http://www.ciac.org/ciac/bulletins/n-119.shtml.
- Microsoft Security Bulletin MS03-028, Flaw in ISA Server Error Pages Could Allow Cross-Site Scripting Attack (816456) at http://www.microsoft.com/technet/security/bulletin/ms03-028.mspx.
- BID-8207: Microsoft ISA Server Cross-Site Scripting Vulnerabilities
- CVE-2003-0526: Cross-site scripting (XSS) vulnerability in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to inject arbitrary web script via a URL containing the script in the domain name portion, which is not properly cleansed in the default error pages (1) 500.htm for 500 Internal Server error or (2) 404.htm for 404 Not Found.
Reported:
Jul 16, 2003
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