[Japanese]

JVNDB-2017-000225

Cybozu Office fails to restrict access permissions

Overview

Cybozu Office fails to restrict access permissions.

Cybozu Office provided by Cybozu, Inc. fails to restrict access permissions (CWE-284) due to an issue in "Cabinet" function.

Cybozu, Inc. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and Cybozu, Inc. coordinated under the Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


Cybozu, Inc.
  • Cybozu Office 10.0.0 to 10.6.1

Impact

A user who can login to Cybozu Office may perform arbitrary operations to the folder where the user does not have acces with its privilege.
Solution

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

Cybozu, Inc.
CWE (What is CWE?)

  1. Permissions(CWE-264) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2017-10857
References

  1. JVN : JVN#14658424
  2. National Vulnerability Database (NVD) : CVE-2017-10857
Revision History

  • [2017/10/11]
      Web page was published
  • [2018/03/07]
      References : Content was added

Date Public2017/10/11
Date First Published2017/10/11
Date Last Updated2018/03/07