[Japanese]

JVNDB-2016-000108

CG-WLBARAGM vulnerable to denial-of-service (DoS)

Overview

CG-WLBARAGM provided by Corega Inc is a wireless LAN router. CG-WLBARAGM contains a denial-of-service (DoS) vulnerability.

Yuji Ukai of FFRI, Inc reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
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


Corega Inc
  • CG-WLBARAGM

Impact

An unauthenticated remote attacker may cause the product to reboot.
Solution

[Apply a Workaround]
The following workarounds may mitigate the affects of this vulnerability.

* Disable the remote access function to avoid access to the product from the internet
* Encrypt wireless LAN communications to avoid access to the product from adjacent networks

Note that these workarounds above do not prevent access from local networks.
Vendor Information

Corega Inc
CWE (What is CWE?)

  1. Improper Input Validation(CWE-20) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2016-4823
References

  1. JVN : JVN#24409899
  2. National Vulnerability Database (NVD) : CVE-2016-4823
Revision History

  • [2016/06/22]
      Web page was published
    [2016/06/29]
      References : Content was added