Microsoft Internet Explorer IDN authentication dialog spoofing
| ie-idn-authentication-spoofing (34867) |  Low Risk |
Description:
Microsoft Internet Explorer could allow a remote attacker to spoof the URL in authentication dialogues, caused by an error in the International Domain Name (IDN) implementation. By persuading a victim to visit a specially-crafted Web page, a remote attacker could exploit this vulnerability to spoof authentication dialogs and possibly perform phishing attacks.
*CVSS:
| Base Score: | 2.8 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | None |
| Availability Impact: | None |
| Temporal Score: | 2.3 |
| Exploitability: | Unproven |
| Remediation Level: | Unavailable |
| Report Confidence: | Uncorroborated |
Consequences:
Bypass Security
Remedy:
No remedy available as of July 9, 2011.
References:
- ha.ckers Web site: Internet Explorer Cross Domain Basic Auth Phishing Tactics.
- Microsoft Corporation Web site: Microsoft Corporation.
- BID-24483: Microsoft Internet Explorer 7 HTTP Authentication International Domain Name Spoofing Weakness
- CVE-2007-3164: Microsoft Internet Explorer 7, when prompting for HTTP Basic Authentication for an IDN web site, uses ACE labels for the domain name in the status bar, but uses internationalized labels for this name in the authentication dialog, which might allow remote attackers to perform phishing attacks if the user misinterprets confusable characters in the internationalized labels, as demonstrated by displaying xn--theshmogroup-bgk.com only in the status bar.
- SA25663: Microsoft Internet Explorer 7 HTTP Basic Authentication IDN Spoofing
Platforms Affected:
- Microsoft Internet Explorer 7.0
Reported:
Jun 08, 2007
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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.