[Japanese]

JVNDB-2023-000078

Multiple vulnerabilities in Proself

Overview

Proself provided by North Grid Corporation is an online storage server software. Proself contains multiple vulnerabilities listed below.

  • Improper authentication (CWE-287) - CVE-2023-39415
  • OS command injection (CWE-78) - CVE-2023-39416

The developer states that attacks exploiting these vulnerabilities have been observed.

North Grid Corporation reported these vulnerabilities to JPCERT/CC to notify users of the solutions through JVN. JPCERT/CC and North Grid Corporation coordinated under the Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.2 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 6.5 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
The above CVSS base scores have been assigned for CVE-2023-39416

CVSS V3 Severity:
Base Metrics 7.5 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2023-39415
Affected Products


North Grid Corporation
  • Proself Enterprise Edition Ver5.61 and earlier
  • Proself Gateway Edition Ver1.62 and earlier
  • Proself Mail Sanitize Edition Ver1.07 and earlier
  • Proself Standard Edition Ver5.61 and earlier

Impact

  • A remote unauthenticated attacker may log in to the product's Control Panel and perform an unintended operation - CVE-2023-39415

  • An arbitrary OS command may be executed by an attacker who can log in to the product with an administrative privilege - CVE-2023-39416
Solution

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

[Apply the workaround]
Until the software is updated, the following workaround are recommended to mitigate the impact of the vulnerabilities.
  • Delete the following two files under "Proself install folder/webapps/proself/WEB-INF/xml/process/external/admin"
    • downloadhistory.xml
    • setclustermyid.xml
Vendor Information

North Grid Corporation
CWE (What is CWE?)

  1. Improper Authentication(CWE-287) [IPA Evaluation]
  2. OS Command Injection(CWE-78) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2023-39415
  2. CVE-2023-39416
References

  1. JVN : JVN#19661362
  2. National Vulnerability Database (NVD) : CVE-2023-39415
  3. National Vulnerability Database (NVD) : CVE-2023-39416
  4. IPA SECURITY ALERTS : Security Alert for Vulnerability in Proself (JVN#19661362) ( in Japanese)
  5. JPCERT REPORT : Alert Regarding Authentication Bypass and Remote Code Execution vulnerabilities in Proself ( in Japanese)
Revision History

  • [2023/08/18]
      Web page was published
  • [2024/03/28]
      References : Contents were added

Date Public2023/08/18
Date First Published2023/08/18
Date Last Updated2024/03/28