TinyFTP Daemon vulnerable to buffer overflow


TinyFTP Daemon provided by Hisayuki Nomura is a FTP (File Transfer Protocol) server. TinyFTP Daemon contains a buffer overflow vulnerability (CWE-121).

During the meeting of Committee for authorizing the disclosure of unresolved vulnerabilities held on December 5, 2017, 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 Others 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 10.0 (High) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Complete
  • Integrity Impact: Complete
  • Availability Impact: Complete
Affected Products

Hisayuki Nomura
  • Tiny FTP Daemon Ver0.52d

The above is the software product and version that have been reported.

An attacker may be able to cause a denial-of-service (DoS) condition or execute arbitrary code.

[Consider stop using Tiny FTP Daemon Ver0.52d]
Since the developer was unreachable, existence of any mitigations are unknown.
Vendor Information

CWE (What is CWE?)

  1. Buffer Errors(CWE-119) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2018-0541

  1. JVN : JVN#92259864
Revision History

  • [2018/03/13]
      Web page was published