Visual truncation vulnerability in Microsoft Internet Explorer 6 allows remote attackers to spoof the address bar via a URL with a hostname containing many (Non-Blocking Space character) sequences, which are rendered as whitespace, aka MSRC ticket MSRC7899, a related issue to CVE-2003-1025.
CVSS Severity (version 2.0):
Impact Subscore: 4.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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20081027 Writeup by Amit Klein (Trusteer): Address Bar Spoofing for IE6
20081027 Re: Writeup by Amit Klein (Trusteer): Address Bar Spoofing for IE6
Vulnerable software and versions