JVN#45898075
Drupal Form API fails to validate the redirect URL
Overview
Drupal's Form API fails to validate the redirect URL, which may lead to unintended information disclosure.
Products Affected
- Drupal core 7.x versions prior to 7.13
Description
Drupal is a content management system (CMS). Drupal's Form API fails to validate the redirect URL, which may lead to unintended information disclosure.
Impact
A remote attacker may change the redirect URL of a form. As a result, information such as authentication credentials may be disclosed.
Solution
Update the software
Update to the latest version of Drupal core according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| Drupal | SA-CORE-2012-002 - Drupal core multiple vulnerabilities |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Analyzed on 2012.05.17
| 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
Katsuhiko Nakanishi from NEC Nexsolutions, Ltd. 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 |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2012-1589 |
| JVN iPedia |
JVNDB-2012-000045 |