JVN#80404511
Windows URL Protocol Handler may insecurely load executable files
Overview
Windows URL Protocol Handler may use unsafe methods for determining how to load executable (.exe) files.
Products Affected
Products that use the Windows URL Protocol Handler may be affected.
For more information, refer to the developer's website.
Description
Windows URL Protocol Handler loads a specified executable for each protocol. Windows URL Protocol Handler contains an issue with the file search path, which may insecurely load executable files.
Impact
An attacker may execute arbitrary code with the privilege of the running application.
Solution
Update the Software
Apply the MS11-057 according to the information provided by Microsoft.
Vendor Status
| Vendor | Link |
| Microsoft | Microsoft Security Bulletin MS11-057 |
| Microsoft Security Bulletin Summary for August 2011 |
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Analyzed on 2011.08.10
| Measures | Conditions | Severity |
|---|---|---|
| Access Required | can be attacked over the Internet using packets |
|
| Authentication | anonymous or no authentication (IP addresses do not count) |
|
| User Interaction Required | the user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file |
|
| Exploit Complexity | the user must be convinced to take a difficult or suspicious action. If the honest user must have elevated privileges, they are likely to be more suspiciouse |
|
Credit
Makoto Shiotsuki of Security Professionals Network Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert | |
| JPCERT Reports | |
| CERT Advisory |
|
| CPNI Advisory |
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| TRnotes |
|
| CVE |
CVE-2011-1961 |
| JVN iPedia |
JVNDB-2011-000060 |
Update History
- 2011/08/10
- Information under the sections "References" were modified.