JVN#68528150
Multiple FXC network devices vulnerable to cross-site scripting
Overview
Multiple FXC network devices contain a cross-site scripting vulnerability.
Products Affected
- Managed Ethernet switch FXC5210/5218/5224 firmware prior to version Ver1.00.22
- Managed Ethernet switch FXC5426F firmware prior to version Ver1.00.06
- Managed Ethernet switch FXC5428 firmware prior to version Ver1.00.07
- Power over Ethernet (PoE) switch FXC5210PE/5218PE/5224PE firmware prior to version Ver1.00.14
- Wireless LAN router AE1021/AE1021PE firmware all versions
Description
Multiple network devices provided by FXC Inc. contain a stored cross-site scripting vulnerability (CWE-79).
Impact
If an attacker with administrative rights logs in the Management GUI and embeds a specially crafted script, then that script may be executed on another administrator's web browser.
Solution
Solution for Managed Ethernet switch and Power over Ethernet (PoE) switch:
Update the Firmware
Apply the appropriate firmware update according to the information provided by the developer.
Solution for Wireless LAN router:
Apply Workaround
The following workaround may mitigate the impact of this vulnerability.
- Restrict access to Management CGI of the device. Permit access only to trusted administrators.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| FXC Inc. | Vulnerable | 2018/09/13 | FXC Inc. website |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
| 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) |
| 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
SUNAGAWA, Masanori of Japan Advanced Institute of Science and Technology Graduate School of Advanced Science and Technology Security and Networks 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-2018-0679 |
| JVN iPedia |
JVNDB-2018-000097 |