[Japanese]

JVNDB-2017-000234

Installer of HYPER SBI may insecurely load Dynamic Link Libraries

Overview

HYPER SBI provided by SBI SECURITIES Co.,Ltd. is a trading tool. Installer of HYPER SBI contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

Yuto Iso of NTT Security (Japan) KK reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial

CVSS V3 Severity:
Base Metrics: 7.8 (High) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
Affected Products


SBI SECURITIES Co.,Ltd.
  • HYPER SBI Ver. 2.2 and earlier

Impact

Arbitrary code may be executed with the privilege of the user invoking the installer.
Solution

[Use the latest installer]
Use the latest installer according to the information provided by the developer.
Users who already have installed HYPER SBI do not need to re-install the application, because this issue affects the installer only.
According to the developer, existing users who update using the newest installer will need to perform data migration in advance. For more information, refer to the information provided by the developer.
Vendor Information

SBI SECURITIES Co.,Ltd.
CWE (What is CWE?)

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

  1. CVE-2017-10885
References

  1. JVN : JVN#71284826
  2. JVN : JVNTA#91240916
Revision History

[2017/11/09]
  Web page was published