CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
53.1%
The installer of The Public Certification Service for Individuals “The JPKI user’s software” provided by Japan Agency for Local Authority Information Systems (J-LIS) contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries.
Arbitrary code may be executed with the privilege of the user invoking the installer.
Use the latest installer of The Public Certification Service for Individuals “The JPKI user’s software”
Use the latest installer of The Public Certification Service for Individuals “The JPKI user’s software”, according to the information provided by J-LIS.
Note that The Public Certification Service for Individuals “The JPKI user’s software (for Windows Vista)” and the software Ver2.6 are no longer being developed or maintained.
Installers of the following “The JPKI user’s software” versions that were available until April 27, 2017, are affected:
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
53.1%