Microsoft Internet Explorer mhtml: URL redirection information disclosure
| ie-mhtml-information-disclosure (26281) |  Medium Risk |
Description:
Microsoft Internet Explorer could allow a remote attacker to bypass cross-domain security restrictions and obtain sensitive information, caused by improper handling of URL redirects that use the mhtml: URI. An attacker could exploit this vulnerability by creating a specially-crafted Web page, and persuading a potential victim to visit the page, or by sending it to a potential victim as an email attachment.
*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: | 2.1 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Obtain Information
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS07-034. See References.
References:
- Microsoft Security Bulletin MS07-034: Cumulative Security Update for Outlook Express and Windows Mail (929123).
- ASA-2007-256: MS07-034 Cumulative Security Update for Outlook Express and Windows Mail (929123)
- BID-17717: Outlook Express/Windows Mail MHTML URI Handler Information Disclosure Vulnerability
- CVE-2006-2111: A component in Microsoft Outlook Express 6 allows remote attackers to bypass domain restrictions and obtain sensitive information via redirections with the mhtml: URI handler, as originally reported for Internet Explorer 6 and 7, aka URL Redirect Cross Domain Information Disclosure Vulnerability.
- OSVDB ID: 25073: Microsoft IE mhtml: Redirection Domain Restriction Bypass
- SA19738: Internet Explorer "mhtml:" Redirection Disclosure of Sensitive Information
- SA22477: Internet Explorer 7 "mhtml:" Redirection Information Disclosure
- SECTRACK ID: 1016005: Microsoft Outlook Express `mhtml:` Redirect URL Processing Lets Remote Users Bypass Security Domains
- US-CERT VU#783761: Microsoft Windows "MHTML" protocol handler fails to properly handle URL redirections
- VUPEN/ADV-2006-1558: Microsoft Products mhtml Cross Domain Information Disclosure Vulnerability
- VUPEN/ADV-2007-2154: Microsoft Outlook Express Command Execution and Information Disclosure (MS07-034)
Platforms Affected:
- Microsoft Internet Explorer 6
- Microsoft Internet Explorer 7
- Microsoft Outlook Express 6.0
- Microsoft Windows Vista x64
- Microsoft Windows 2003 Server SP1 Itanium
- Microsoft Windows 2003 Server SP1
- Microsoft Windows 2003 Server x64
- Microsoft Windows 2003 Server SP2 x64
- Microsoft Windows 2003 Server SP2
- Microsoft Windows 2003 Server SP2 Itanium
- Microsoft Windows Mail
- Microsoft Windows Vista
- Microsoft Windows XP SP2
- Microsoft Windows XP SP2 x64 Professional
- Microsoft Windows XP x64 Professional
Reported:
Apr 27, 2006
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 xforce@iss.net
* 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.