Published:2017/04/19  Last Updated:2017/04/19

JVN#86171513
SEIL Series routers vulnerable to denial-of-service (DoS)

Overview

SEIL Series routers contain a denial-of-service (DoS) vulnerability.

Products Affected

  • SEIL/x86 Fuji 1.70 to 5.62
  • SEIL/BPV4 5.00 to 5.62
  • SEIL/X1 1.30 to 5.62
  • SEIL/X2 1.30 to 5.62
  • SEIL/B1 1.00 to 5.62

Description

The DNS forwarder, the PPP Access Concentrator (L2TP) and the Measure(iPerf server) function in SEIL Series routers provided by Internet Initiative Japan Inc. contain a denial-of-service (DoS) vulnerability due to a flaw in processing certain packets.

Impact

Receiving a specially crafted packet may result in the device becoming unresponsive.

Solution

Update the Firmware
Apply the appropriate firmware update provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
Internet Initiative Japan Inc. Vulnerable 2017/04/19

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

Internet Initiative Japan Inc. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and Internet Initiative Japan Inc. coordinated under the Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2017-2153
JVN iPedia JVNDB-2017-000071

Update History

2017/04/19
Information under the section "Impact" was modified.