[Japanese]

JVNDB-2014-000141

FAST/TOOLS vulnerable to improper restriction of XML external entity references

Overview

FAST/TOOLS provided by Yokogawa Electric Corporation contains a vulnerability where XML external entity (XXE) references are not properly restricted (CWE-611).

Timur Yunusov, Alexey Osipov and Ilya Karpov of Positive Technologies reported this vulnerability to JPCERT/CC.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 2.4 (Low) [Vendor Score]
  • Access Vector: Local
  • Access Complexity: High
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: Partial
Affected Products


Yokogawa Electric Corporation
  • FAST/TOOLS R9.01 through R9.05

Impact

When opening a project with a specially crafted XML file, information managed by the product may be disclosed or may become a victim of a denial-of-service (DoS).
Solution

[Apply an Update]
Update to the latest version according to the information provided by the developer.
According to the developer, this vulnerability was addressed in FAST/TOOLS R9.05-SP2, and the most recent version FAST/TOOLS R10.01 is not vulnerable.
Vendor Information

Yokogawa Electric Corporation
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
  2. Improper Input Validation(CWE-20) [NVD Evaluation]
CVE (What is CVE?)

  1. CVE-2014-7251
References

  1. JVN : JVN#54775800
  2. National Vulnerability Database (NVD) : CVE-2014-7251
  3. ICS-CERT ADVISORY : ICSA-14-343-01
Revision History

  • [2014/11/28]
      Web page was published
    [2014/12/10]
      CWE : CWE-ID was added
      References : Contents were added

Date Public2014/11/28
Date First Published2014/11/28
Date Last Updated2014/12/10