[Japanese]

JVNDB-2025-000106

Multiple vulnerabilities in LogStare Collector

Overview

LogStare Collector provided by LogStare Inc. contains multiple vulnerabilities listed below.
  • Incorrect default permissions for the installation directory (CWE-276) - CVE-2025-58097
  • Stored cross-site scripting vulnerability in UserManagement (CWE-79) - CVE-2025-61949
  • Incorrect authorization in UserRegistration (CWE-863) - CVE-2025-62189
  • Cross-site request forgery (CWE-352) - CVE-2025-62687
  • Insertion of sensitive information into sent data (CWE-201) - CVE-2025-64299
  • Uncontrolled search path element (CWE-427) - CVE-2025-64695

Kazuma Matsumoto of GMO Cybersecurity by IERAE, Inc. reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.8 (High) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
The above CVSS base scores have been assigned for CVE-2025-64695

CVSS V3 Severity:
Base Metrics:6.5 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: High
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2025-62687

CVSS V3 Severity:
Base Metrics:5.5 (Medium) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: High
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2025-58097

CVSS V3 Severity:
Base Metrics:5.4 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2025-61949

CVSS V3 Severity:
Base Metrics:4.9 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2025-64299

CVSS V3 Severity:
Base Metrics:4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2025-62189
Affected Products


LogStare Inc.
  • LogStare Collector (for Windows) 2.4.1 and earlier (CVE-2025-58097, CVE-2025-61949, CVE-2025-62189, CVE-2025-62687, CVE-2025-64299)
  • LogStare Collector (for Linux) 2.4.1 and earlier (CVE-2025-58097, CVE-2025-61949, CVE-2025-62189, CVE-2025-62687, CVE-2025-64299)
  • LogStare Collector Installer (for Windows) 2.4.1 and earlier (CVE-2025-64695)

Impact

  • A non-administrative user may manipulate files within the installation directory of the product and execute arbitrary code with the administrative privilege (CVE-2025-58097)
  • If crafted user information is stored, an arbitrary script may be executed on the web browser of the user who logs in to the product's management page (CVE-2025-61949)
  • A non-administrative user may create a new user account by sending a crafted HTTP request (CVE-2025-62189)
  • If a user views a crafted page while logged in to the product, unintended operations may be performed (CVE-2025-62687)
  • An administrative user may obtain the other users' password hashes (CVE-2025-64299)
  • Arbitrary code may be executed with the privilege of the user invoking the installer (CVE-2025-64695)
Solution

CVE-2025-58097, CVE-2025-61949, CVE-2025-62189, CVE-2025-62687, CVE-2025-64299
[Update the Software]
Update the software to the latest version according to the information provided by the developer.
The developer has released the following version to address this vulnerability.
  • LogStare Collector (for Windows) 2.4.2
  • LogStare Collector (for Linux) 2.4.2

CVE-2025-64695
[Use the latest installer]
Use the latest installer provided by the developer.
Vendor Information

LogStare Inc.
CWE (What is CWE?)

  1. Cross-Site Request Forgery(CWE-352) [IPA Evaluation]
  2. Cross-site Scripting(CWE-79) [IPA Evaluation]
  3. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2025-58097
  2. CVE-2025-61949
  3. CVE-2025-62189
  4. CVE-2025-62687
  5. CVE-2025-64299
  6. CVE-2025-64695
References

  1. JVN : JVN#77560819
Revision History

  • [2025/11/21]
      Web page was published

Date Public2025/11/21
Date First Published2025/11/21
Date Last Updated2025/11/21