[Japanese]

JVNDB-2022-000045

FreeBSD vulnerable to denial-of-service (DoS)

Overview

FreeBSD contains a denial-of-service (DoS) vulnerability (CWE-400) due to improper handling of TSopt on TCP connections.
CVSS Severity (What is CVSS?)

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: None
  • Availability Impact: Low
CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Partial
Affected Products


FreeBSD Project.
  • FreeBSD versions prior to 7.0

Impact

A remote attacker may be able to cause a denial-of-service (DoS) condition.
Solution

[Update the software]
Update the software to the latest version according to the information provided by the developer.
This vulnerability was fixed in 2006 September 25 by the following FreeBSD commit.
  • commit 4dc630cdd2f7a790604d2724ecb19c6aa95130a7
  • Author: John-Mark Gurney
  • Date: Mon Sep 25 07:22:39 2006 +0000
Vendor Information

FreeBSD Project.
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2022-32264
References

  1. JVN : JVN#20930118
Revision History

  • [2022/06/15]
      Web page was published

Date Public2022/06/15
Date First Published2022/06/15
Date Last Updated2022/06/15