[Japanese]

JVNDB-2018-000087

The installer of Digital Paper App may insecurely load Dynamic Link Libraries

Overview

Digital Paper App provided by Sony Corporation is document management software exclusively for Sony Digital Paper. The installer of Digital Paper App contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

Yuji Tounai of NTT Communications Corporation 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


Sony Corporation
  • Digital Paper App version 1.4.0.16050 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 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, thus users who have already installed the software do not need to re-install the software.
Vendor Information

Sony Corporation
CWE (What is CWE?)

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

  1. CVE-2018-0656
References

  1. JVN : JVNTA#91240916
  2. JVN : JVN#75700242
  3. National Vulnerability Database (NVD) : CVE-2018-0656
Revision History

  • [2018/08/21]
      Web page was published
  • [2019/07/25]
      References : Content was added

Date Public2018/08/21
Date First Published2018/08/21
Date Last Updated2019/07/25