VxWorks SSH server (IPSSH) denial-of-service (DoS) vulnerability


The SSH server (IPSSH) implementation in VxWorks contains a denial-of-service (DoS) vulnerability.

The SSH server (IPSSH) implementation in VxWorks contains a denial-of-service (DoS) vulnerability due to an issue in the processing authentication requests.

Hisashi Kojima and Masahiro Nakada of Fujitsu Laboratories Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 7.8 (High) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Complete
Affected Products

Wind River Systems
  • VxWorks versions 6.5 through 6.9


Recieiving a specially crafted packet for a public key authentication request may cause the server to hang and SSH access to be unavailable until the next reboot. In addition, arbitrary code may be executed on the server.

[Apply a patch]
Apply the appropriate patch according to the information provided by the developer.
Vendor Information

Wind River Systems
CWE (What is CWE?)

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

  1. CVE-2013-0714

  1. JVN : JVN#20671901
  2. National Vulnerability Database (NVD) : CVE-2013-0714
  3. ICS-CERT ADVISORY : ICSA-13-091-01
Revision History

  • [2013/03/18]
      Web page was published
      References : Content was added