Published:2016/05/27 Last Updated:2016/05/27
JVN#81698369
Multiple Buffalo wireless LAN routers vulnerable to directory traversal
Overview
Multiple wireless LAN routers provided by BUFFALO INC. contain a directory traversal vulnerability.
Products Affected
- WZR-S600DHP firmware Ver.2.16 and earlier
- WZR-600DHP3 firmware Ver.2.16 and earlier
Description
Multiple wireless LAN routers provided by BUFFALO INC. contain a directory traversal vulnerability (CWE-22).
Impact
Arbitrary files on the server may be viewed by an attacker who can access the product.
Solution
Update the Firmware
Apply the appropriate firmware update provided by the developer.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| BUFFALO INC. | Vulnerable, investigating | 2016/05/27 | BUFFALO INC. website |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score:
6.5
| 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:A/AC:L/Au:N/C:P/I:N/A:N
Base Score:
3.3
| 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
Toshitsugu Yoneyama of Mitsui Bussan Secure Directions, Inc. 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-2016-4815 |
| JVN iPedia |
JVNDB-2016-000086 |