Published:2018/07/24  Last Updated:2018/07/24

The installers of multiple Canon IT Solutions Inc. software programs may insecurely load Dynamic Link Libraries


The installers of multiple software programs provided by Canon IT Solutions Inc. may insecurely load Dynamic Link Libraries.

Products Affected

  • ESET Smart Security Premium
  • ESET Internet Security
  • ESET Smart Security
  • ESET NOD32 Antivirus
  • DESlock+ Pro
  • CompuSec (all programs except packaged ones)
All installers with the digital timestamps before "July 10, 2018" are affected.


The installers of multiple software programs provided by Canon IT Solutions Inc. contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).


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


Use the latest installer
Use the latest installers provided by the developer.
Also when executing the installer, be sure to check there are no suspicious files in the directory where the installer resides.

Note that this vulnerability affects the installer only. Users who have already installed the program(s) are not affected.

Vendor Status

Vendor Status Last Update Vendor Notes
Canon IT Solutions Inc. Vulnerable 2018/07/24 Canon IT Solutions Inc. website


  1. Japan Vulnerability Notes JVNTA#91240916
    Insecure DLL Loading and Command Execution Issues on Many Windows Application Programs

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Base Score: 7.8
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
Base Score: 6.8
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)


This analysis assumes that the user is tricked into placing a malicious DLL file prepared by an attacker in a specific folder.


Yuji Tounai of NTT Communications Corporation reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2018-0649
JVN iPedia JVNDB-2018-000083