Japan Vulnerability NotesJVN:18420340JVN#18420340: Multiple vulnerabilities in BOOK WALKER for Windows/Mac
9.3 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
27.3%
BOOK WALKER for Windows/Mac provided by BOOK WALKER Co.,Ltd. are applications to view e-books. Installer of BOOK WALKER for Windows contains a vulnerabirity, which may lead to insecurely loading Dynamic Link Libraries.
Also BOOK WALKER for Windows/Mac contain a vulnerability which may lead to information disclosure as a result of reading a specially crafted file.
DLL preloading vulnerability (CWE-427) - CVE-2017-10887
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | Base Score: 7.8 |
| CVSS v2 | AV:N/AC:M/Au:N/C:P/I:P/A:P | Base Score: 6.8 |
Information disclosure vulnerability (CWE-200) - CVE-2017-10888
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N | Base Score: 5.5 |
| CVSS v2 | AV:N/AC:M/Au:N/C:C/I:N/A:N | Base Score: 7.1 |
Impact
- Arbitrary code may be executed with the privilege of the user invoking the installer. - CVE-2017-10887
- An arbitrary local file may be read by an attacker, which may result in information disclosure. - CVE-2017-10888
Solution
Solution for CVE-2017-10887: Use the latest installer
When installing BOOK WALKER for Windows for the first time, be sure to use the latest installer according to the information provided by the developer.
Solution for CVE-2017-10888: Update the software
Update to the latest version according to the information provided by the developer.
Products Affected
・CVE-2017-10887 ** **BOOK WALKER for Windows Ver.1.2.9 and earlier
・CVE-2017-10888
BOOK WALKER for Windows Ver.1.2.9 and earlier
BOOK WALKER for Mac Ver.1.2.5 and earlier
Related
9.3 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
27.3%