[Japanese]

JVNDB-2018-000131

Multiple vulnerabilities in Aterm WF1200CR and Aterm WG1200CR

Overview

Aterm WF1200CR and Aterm WG1200CR provided by NEC Corporation contain multiple vulnerabilities listed below.
* Information disclosure (CWE-200) - CVE-2018-16192
* Stored cross-site scripting (CWE-79) - CVE-2018-16193
* OS command injection (CWE-78) - CVE-2018-16194
* OS command injection in SOAP interface of UPnP (CWE-78) - CVE-2018-16195

Satoru Nagaoka of Cyber Defense Institute, 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-2018-16195


CVSS V3 Severity:
Base Metrics: 6.8 (Medium) [IPA 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) [IPA 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-2018-16194


CVSS V3 Severity:
Base Metrics: 4.3 (Medium) [IPA Score]
  • Attack Vector: Adjacent
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics: 2.3 (Low) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Medium
  • Authentication: Single
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2018-16193


CVSS V3 Severity:
Base Metrics: 4.3 (Medium) [IPA Score]
  • Attack Vector: Adjacent
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics: 3.3 (Low) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2018-16192
Affected Products


NEC Corporation
  • Aterm WF1200CR firmware Ver1.1.1 and earlier
  • Aterm WG1200CR firmware Ver1.0.1 and earlier

Impact

* An attacker with access to the device may obtain registered information on the device. - CVE-2018-16192
* An arbitrary script may be executed on a logged in user's web browser. - CVE-2018-16193
* An attacker who can log in the device may execute an arbitrary OS command. - CVE-2018-16194
* By having the device to load an invalid parameter using UPnP function, an attacker with access to the device may execute an arbitrary OS command. - CVE-2018-16195
Solution

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

NEC Corporation
CWE (What is CWE?)

  1. Information Exposure(CWE-200) [IPA Evaluation]
  2. OS Command Injection(CWE-78) [IPA Evaluation]
  3. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2018-16192
  2. CVE-2018-16193
  3. CVE-2018-16194
  4. CVE-2018-16195
References

  1. JVN : JVN#87535892
Revision History

  • [2018/12/14]
      Web page was published