[Japanese]

JVNDB-2023-000072

Improper restriction of XML external entity references (XXE) in XBRL data create application

Overview

XBRL data create application provided by Financial Services Agency improperly restricts XML external entity references (XXE) (CWE-611).

Taku Toyama of NEC Corporation 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 2.5 (Low) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 1.2 (Low) [IPA Score]
  • Access Vector: Local
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products


Financial Services Agency
  • XBRL data create application version 7.0 and earlier

Impact

By processing a specially crafted XBRL file, arbitrary files on the system may be read by an attacker.
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
Vendor Information

Financial Services Agency
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2023-32635
References

  1. JVN : JVN#44726469
  2. National Vulnerability Database (NVD) : CVE-2023-32635
Revision History

  • [2023/07/18]
      Web page was published
  • [2024/03/19]
      References : Content was added

Date Public2023/07/18
Date First Published2023/07/18
Date Last Updated2024/03/19