[Japanese]

JVNDB-2013-000020

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

Overview

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 vulnerability due to an issue in processing pty 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?)

Base Metrics: 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Complete

Affected Products


Wind River Systems
  • VxWorks versions 6.5 through 6.9

Impact

Receiving a specially crafted pty request packet may cause SSH access to be unavailable until the next reboot.
Solution

[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-2013-0713
References

  1. JVN : JVN#52492830
  2. National Vulnerability Database (NVD) : CVE-2013-0713
  3. ICS-CERT ADVISORY : ICSA-13-091-01
Revision History

[2013/03/18]
  Web page was published
[2013/06/25]
  References : Content was added