Published:2016/06/22  Last Updated:2016/06/22

JVN#24409899
CG-WLBARAGM vulnerable to denial-of-service (DoS)

Overview

CG-WLBARAGM contains a denial-of-service (DoS) vulnerability.

Products Affected

  • CG-WLBARAGM

Description

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

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 Status

Vendor Link
Corega Inc About denial-of-service vulnerability

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score: 5.3
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:N/AC:L/Au:N/C:N/I:N/A:P
Base Score: 5.0
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

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

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2016-4823
JVN iPedia JVNDB-2016-000108