ffBull vulnerable to OS command injection


ffBull <http://www.gem.hi-ho.ne.jp/fortunefield/cgi/ffbull.html> (according to the original report submitted by the reporter) provided by Fortunefield is a bulletin board system (BBS).
ffBull contains an OS command injection vulnerability (CWE-78).

During the meeting of Committee for authorizing the disclosure of unresolved vulnerabilities held on December 20, 2023, it was judged that an advisory for this vulnerability shall be disclosed since all the criteria and conditions described below which are stated in Standards for Handling Vulnerability related Information of Software Products and Other and Information Security Early Warning Partnership Guideline have been satisfied.

1.The developer of the product is unreachable
2.Existence of vulnerability has been verified
3.Not disclosing this case may result in the risk that product users will have no means to know of the existence of the vulnerability in the product
4.There are no particular reasons that would make disclosure inappropriate
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 9.8 (Critical) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 7.5 (High) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

  • ffBull ver.4.11

according to the original report submitted by the reporter

A remote unauthenticated attacker may execute an arbitrary OS command with the privilege of the running web server.

[Consider stop using ffBull ver.4.11]
Since the developer was unreachable, existence of any mitigations is unknown.
Vendor Information

CWE (What is CWE?)

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

  1. CVE-2024-28048

  1. JVN : JVN#17176449
Revision History

  • [2024/03/26]
      Web page was published