[Japanese]

JVNDB-2012-000045

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.

Drupal is a content management system (CMS). Drupal's Form API fails to validate the redirect URL, which may lead to unintended information disclosure.

Katsuhiko Nakanishi from NEC Nexsolutions, Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None

Affected Products


drupal.org
  • Drupal core 7.x versions prior to 7.13

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 Information

drupal.org
CWE (What is CWE?)

  1. Improper Input Validation(CWE-20) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2012-1589
References

  1. JVN : JVN#45898075
  2. National Vulnerability Database (NVD) : CVE-2012-1589
Revision History

[2012/05/17]
  Web page was published