[Japanese]

JVNDB-2018-000122

Multiple vulnerabilities in Panasonic BN-SDWBP3

Overview

BN-SDWBP3 provided by Panasonic Corporation is a Wi-Fi Reader/Writer for SD Memory Cards. BN-SDWBP3 contains multiple vulnerabilities listed below.
* Improper Authentication (CWE-287) - CVE-2018-0676
* OS Command Injection(CWE-78) - CVE-2018-0677
* Buffer Overflow (CWE-119) - CVE-2018-0678

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.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 8.8 (High) [IPA Score]
  • Attack Vector: Adjacent Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 5.8 (Medium) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
The above CVSS base scores have been assigned for CVE-2018-0676

CVSS V3 Severity:
Base Metrics: 6.8 (Medium) [JPCERT/CC Score]
  • Attack Vector: Adjacent
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics: 5.2 (Medium) [JPCERT/CC Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: Single
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
The above CVSS base scores have been assigned for CVE-2018-0677

CVSS V3 Severity:
Base Metrics: 6.8 (Medium) [JPCERT/CC Score]
  • Attack Vector: Adjacent
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics: 5.2 (Medium) [JPCERT/CC Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: Single
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
The above CVSS base scores have been assigned for CVE-2018-0678
Affected Products


Panasonic Corporation
  • BN-SDWBP3 firmware version 1.0.9 and earlier

Impact

* An attacker may access to the management screen and execute an arbitrary command. - CVE-2018-0676
* A user on the same LAN who can access the product as an administrative privilege may execute an arbitrary OS command. - CVE-2018-0677
* A user on the same LAN who can access the product as an administrative privilege may execute an arbitrary code or perform a denial-of-service (DoS) attack. - CVE-2018-0678
Solution

[Update the Firmware]
Apply the latest firmware update according to the information provided by the developer.
Vendor Information

Panasonic Corporation
CWE (What is CWE?)

  1. Buffer Errors(CWE-119) [IPA Evaluation]
  2. Improper Authentication(CWE-287) [IPA Evaluation]
  3. OS Command Injection(CWE-78) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2018-0676
  2. CVE-2018-0677
  3. CVE-2018-0678
References

  1. JVN : JVN#65082538
  2. National Vulnerability Database (NVD) : CVE-2018-0676
  3. National Vulnerability Database (NVD) : CVE-2018-0677
  4. National Vulnerability Database (NVD) : CVE-2018-0678
Revision History

  • [2019/06/28]
      Web page was published
  • [2019/08/27]
      References : Contents were added

Date Public2018/11/20
Date First Published2019/06/28
Date Last Updated2019/08/27