Published:2015/12/25 Last Updated:2015/12/25
JVN#51349622
CG-WLBARGS does not properly perform authentication
Overview
CG-WLBARGS does not properly perform authentication.
Products Affected
- CG-WLBARGS
Description
CG-WLBARGS provided by Corega Inc is a wireless LAN router. CG-WLBARGS does not properly perform authentication.
Impact
An attacker who can access the product may log in with administrative privileges. As a result, an arbitrary administrative operations may be executed.
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
Vendor Status
| Vendor | Link |
| Corega Inc | About the authentication flaw |
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:H/I:H/A:H
Base Score:
9.8
| 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:C/I:C/A:C
Base Score:
10.0
| 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
Kousuke Kawahira of DWANGO Co.,Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2015-7792 |
| JVN iPedia |
JVNDB-2015-000201 |