[Japanese]

JVNDB-2019-000012

Multiple vulnerabilities in Nablarch

Overview

Nablarch provided by TIS Inc. contains multiple vulnerabilities listed below.
*The vulnerability in the function of generic formatter by XXE attacks (CWE-611) - CVE-2019-5918
*An incomplete cryptography of the data store function by using hidden tag (CWE-310) - CVE-2019-5919

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

CVSS V3 Severity:
Base Metrics 8.2 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 8.5 (High) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: Complete
The above CVSS base scores have been assigned for CVE-2019-5918

CVSS V3 Severity:
Base Metrics: 4.8 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics: 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2019-5919
Affected Products


TIS Inc.
  • Nablarch 5 (5, and 5u1 to 5u13)

Impact

*An XXE attack may be conducted by a remote attacker. As a resut, information leakage may occur or the system may stop - CVE-2019-5918
*Information of the stored data may be obtained and invalid value may be registered or the value may be altered - CVE-2019-5919
Solution

[Apply an Update]
Update to the latest version according to the information provided by the developer.

[Apply a Workaround]
Please refer to the developer's information for the details.
Vendor Information

TIS Inc.
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2019-5918
  2. CVE-2019-5919
References

  1. JVN : JVN#56542712
  2. National Vulnerability Database (NVD) : CVE-2019-5918
  3. National Vulnerability Database (NVD) : CVE-2019-5919
Revision History

  • [2019/2/27]
      Web page was published
  • [2019/09/26]
      References : Contents were added

Date Public2019/02/27
Date First Published2019/02/27
Date Last Updated2019/09/27