[Japanese]

JVNDB-2019-000069

Movable Type vulnerable to open redirect

Overview

Movable Type provided by Six Apart Ltd. contains an open redirect vulnerability (CWE-601).

Hidetomo Hosono of EG Secure Solutions Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.7 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


Six Apart, Ltd.
  • Movable Type 7 r.4602 (7.1.3) and earlier (Movable Type 7)
  • Movable Type 6.5.0 and 6.5.1 (Movable Type 6.5)
  • Movable Type 6.3.9 and earlier (Movable Type 6.3.x, 6.2.x, 6.1.x, 6.0.x)
  • Movable Type Advanced 7 r.4602 (7.1.3) and earlier (Movable Type 7)
  • Movable Type Advanced 6.5.0 and 6.5.1 (Movable Type 6.5)
  • Movable Type Advanced 6.3.9 and earlier (Movable Type 6.3.x, 6.2.x, 6.1.x, 6.0.x)
  • Movable Type Premium 1.24 and earlier (Movable Type Premium)
  • Movable Type Premium (Advanced Edition) 1.24 and earlier (Movable Type Premium)

Impact

When accessing a specially crafted URL, the user may be redirected to an arbitrary website. As a result, the user may become a victim of a phishing attack.
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
The developer states that the support for Movable Type 5.x and earlier versions has been ended, thus verification on impacts which may be caused by this vulnerability is not conducted and any countermeasures for this vulnerability are not provided. Therefore the developer recommends users to upgrade the software to the supported versions, such as Movable Type 6.5 or 7.
Vendor Information

Six Apart, Ltd.
CWE (What is CWE?)

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

  1. CVE-2019-6025
References

  1. JVN : JVN#65280626
  2. National Vulnerability Database (NVD) : CVE-2019-6025
Revision History

  • [2019/11/13]
      Web page was published

Date Public2019/11/13
Date First Published2019/11/13
Date Last Updated2019/11/13