[Japanese]

JVNDB-2017-000202

Multiple vulnerabilities in Cybozu Garoon

Overview

Cybozu Garoon provided by Cybozu, Inc. contains multiple vulnerabilities listed below.

* Denial-of-service (DoS) vulnerability in the application menu's edit function (CWE-20) - CVE-2017-2254
* Stored cross-site scripting in the "Rich text" function of the application "Space" (CWE-79) - CVE-2017-2255
* Stored cross-site scripting in the "Rich text" function of the application "Memo" (CWE-79) - CVE-2017-2256
* Cross-site scripting in the mail function (CWE-79) - CVE-2017-2257
* Directory traversal in the Garoon SOAP API "WorkflowHandleApplications" (CWE-22) - CVE-2017-2258

Cybozu, Inc. reported CVE-2017-2258 vulnerability to JPCERT/CC to notify users of its solution through JVN.

Jun Kokatsu reported CVE-2017-2254 vulnerability to Cybozu, Inc., and Cybozu, Inc. reported it to JPCERT/CC to notify users of its solution through JVN.

Masato Kinugawa reported CVE-2017-2255, CVE-2017-2256 and CVE-2017-2257 vulnerabilities to Cybozu, Inc., and Cybozu, Inc. reported it to JPCERT/CC to notify users of its solution through JVN.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 5.5 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 5.5 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: Partial
The above CVSS base scores have been assigned for CVE-2017- 2254.

CVSS V3 Severity:
Base Metrics: 5.4 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics: 4.0 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2017-2255.

CVSS V3 Severity:
Base Metrics: 5.4 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics: 4.0 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2017-2256.

CVSS V3 Severity:
Base Metrics: 6.1 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics: 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2017-2257.

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: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics: 4.0 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2017-2258.
Affected Products


Cybozu, Inc.
  • Cybozu Garoon 3.0.0 to 4.2.5 (CVE-2017-2256, CVE-2017-2257)
  • Cybozu Garoon 3.5.0 to 4.2.5 (CVE-2017-2254)
  • Cybozu Garoon 3.7.0 to 4.2.5 (CVE-2017-2255)
  • Cybozu Garoon 4.2.4 to 4.2.5 (CVE-2017-2258)

Impact

* An attacker may be able to cause a denial-of-service (DoS) - CVE-2017-2254
* An arbitrary script may be executed on the logged-in user's web browser - CVE-2017-2255, CVE-2017-2256, CVE-2017-2257
* An attacker may check the presence of a directory on the server - CVE-2017-2258
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. Improper Input Validation(CWE-20) [IPA Evaluation]
  2. Path Traversal(CWE-22) [IPA Evaluation]
  3. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2017-2254
  2. CVE-2017-2255
  3. CVE-2017-2256
  4. CVE-2017-2257
  5. CVE-2017-2258
References

  1. JVN : JVN#63564682
  2. National Vulnerability Database (NVD) : CVE-2017-2254
  3. National Vulnerability Database (NVD) : CVE-2017-2255
  4. National Vulnerability Database (NVD) : CVE-2017-2256
  5. National Vulnerability Database (NVD) : CVE-2017-2257
  6. National Vulnerability Database (NVD) : CVE-2017-2258
Revision History

  • [2017/08/21]
      Web page was published
    [2018/02/14]
      References : Contents were added

Date Public2017/08/21
Date First Published2017/08/21
Date Last Updated2018/02/14