Published:2017/08/08 Last Updated:2017/08/08

JVN#74871939
WSR-300HP vulnerable to arbitrary code execution

Overview

WSR-300HP provided by BUFFALO INC. contains an arbitrary code execution vulnerability.

Products Affected

WSR-300HP firmware 2.30 and earlier

Description

WSR-300HP provided by BUFFALO INC. is a wireless LAN router. WSR-300HP contains an arbitrary code execution vulnerability.

Impact

By executing a specially crafted request prepared by a remote attacker, arbitrary code may be executed.

Solution

Update the Firmware
Apply the firmware update according to the information provided by the developer.

Vendor Status

Vendor	Status	Last Update	Vendor Notes
BUFFALO INC.	Vulnerable	2017/08/08	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:H/A:H

Base Score: 8.8

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:A/AC:L/Au:N/C:P/I:P/A:P

Base Score: 5.8

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

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE	CVE-2014-8361
JVN iPedia	JVNDB-2017-000194

Update History

2017/08/08: CVSS v3 Score was corrected.