Published:2017/07/19 Last Updated:2017/07/19
JVN#77412145
SONY Portable Wireless Server WG-C10 fails to restrict access permissions
Overview
Portable Wireless Server WG-C10 provided by Sony Corporation fails to restrict access permissions.
Products Affected
- WG-C10 v3.0.79 and earlier
Description
Portable Wireless Server WG-C10 provided by Sony Corporation fails to restrict access permissions (CWE-284).
Impact
An authenticated attacker may obtain or alter information stored in the external storage connected to product.
Solution
Apply a Workaround
The following workarounds may mitigate the affects of this vulnerability.
- Avoid using public wireless LAN service
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| Sony Corporation | Vulnerable | 2017/07/19 | Sony Corporation website |
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:L/I:L/A:L
Base Score:
7.3
| 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:P/I:P/A:P
Base Score:
7.5
| 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
Taizoh Tsukamoto 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 | |
| JPCERT Reports | |
| CERT Advisory | |
| CPNI Advisory | |
| TRnotes | |
| CVE |
CVE-2017-2277 |
| JVN iPedia |
JVNDB-2017-000176 |