[Japanese]

JVNDB-2023-000106

Multiple vulnerabilities in baserCMS

Overview

baserCMS provided by baserCMS Users Community contains multiple vulnerabilities listed below.
  • Stored cross-site scripting vulnerability (CWE-79) - CVE-2023-29009
  • Reflected cross-site scripting vulnerability (CWE-79) - CVE-2023-43647
  • Directory traversal vulnerability (CWE-22) - CVE-2023-43648
  • Cross-site request forgery vulnerability (CWE-352) - CVE-2023-43649
  • Arbitrary file upload vulnerability (CWE-434) - CVE-2023-43792

CVE-2023-29009
Kyohei Ota reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

CVE-2023-43647, CVE-2023-43648, CVE-2023-43649, CVE-2023-43792
Shiga Takuma of BroadBand Security, 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 6.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: Low
CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
The above CVSS base scores have been assigned for CVE-2023-43649

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
CVSS V2 Severity:
Base Metrics 3.5 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: Single
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2023-29009

CVSS V3 Severity:
Base Metrics 6.1 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2023-43647

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
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2023-43648

CVSS V3 Severity:
Base Metrics 5.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2023-43792
Affected Products


baserCMS Users Community
  • baserCMS 4.7.8 and earlier (CVE-2023-29009, CVE-2023-43647, CVE-2023-43648, CVE-2023-43649)
  • baserCMS 4.6.0 to 4.7.6 (CVE-2023-43792)

Impact

  • An arbitrary script may be executed on the web browser of the user who is accessing the administrative page of the product - CVE-2023-29009, CVE-2023-43647
  • A user who is accessing the administrative page of the product may obtain arbitrary files on the product - CVE-2023-43648
  • If a user views a malicious page while logging in the administrative page of the product, arbitrary code may be executed on the server - CVE-2023-43649
  • A remote attacker may upload an arbitrary file to the product - CVE-2023-43792
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
The developer has released the following versions that contain fixes for the vulnerabilities.

CVE-2023-29009, CVE-2023-43647, CVE-2023-43648, CVE-2023-43649
  • baserCMS 4.8.0

CVE-2023-43792
  • baserCMS 4.7.7
Vendor Information

baserCMS Users Community
CWE (What is CWE?)

  1. Path Traversal(CWE-22) [IPA Evaluation]
  2. Cross-Site Request Forgery(CWE-352) [IPA Evaluation]
  3. Cross-site Scripting(CWE-79) [IPA Evaluation]
  4. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2023-29009
  2. CVE-2023-43647
  3. CVE-2023-43648
  4. CVE-2023-43649
  5. CVE-2023-43792
References

  1. JVN : JVN#45547161
Revision History

  • [2023/10/27]
      Web page was published

Date Public2023/10/27
Date First Published2023/10/27
Date Last Updated2023/10/27