The installer of PhishWall Client Internet Explorer edition may insecurely load Dynamic Link Libraries


PhishWall Client Internet Explorer edition provided by SecureBrain Corporation is anti-phishing and anti-MITB software. The installer of PhishWall Client Internet Explorer edition contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

According to the developer, the affected installer was built using Install Shield with all Hotfixes applied as of November 2017.
The developer has confirmed that the most recent Hotfix applied Install Shield addresses this issue.
For details on Install Shield Hotfixes, refer to Best Practices to Avoid Windows Setup Launcher Executable Issues.

Note that this vulnerability is different from JVN#93699304.

Yuto Iso of NTT Security (Japan) KK and BlackWingCat of PinkFlyingWhale 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 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
CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

SecureBrain Corporation
  • The Installer of PhishWall Client Internet Explorer edition, Ver. 3.7.15 and earlier


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

[Use the latest installer]
Use the latest installer according to the information provided by the developer.
According to the developer, users of Windows 7 must first apply Windows 7 security patch (KB2533623), and then use the latest installer to install the software.
Users who already have installed PhishWall Client Internet Explorer version do not need to re-install the application, because this issue affects the installer only.
Vendor Information

Flexera Software LLC SecureBrain Corporation
CWE (What is CWE?)

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

  1. CVE-2018-0561

  1. JVN : JVN#92220486
  2. JVN : JVNTA#91240916
Revision History

  • [2018/04/12]
      Web page was published