[Japanese]

JVNDB-2023-000035

Improper restriction of XML external entity references (XXE) in Shinseiyo Sogo Soft

Overview

Shinseiyo Sogo Soft provided by The Ministry of Justice 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


The Ministry of Justice
  • Shinseiyo Sogo Soft (7.9A) and earlier

Impact

By processing a specially crafted XML file, arbitrary files on the PC may be accessed by an attacker.
Solution

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

The Ministry of Justice
CWE (What is CWE?)

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

  1. CVE-2023-27527
References

  1. JVN : JVN#73178249
  2. National Vulnerability Database (NVD) : CVE-2023-27527
Revision History

  • [2023/04/19]
      Web page was published
  • [2024/05/29]
      References : Content was added

Date Public2023/04/19
Date First Published2023/04/19
Date Last Updated2024/05/29