[Japanese]

JVNDB-2017-000239

The installer of Media Go and Music Center for PC may insecurely load Dynamic Link Libraries

Overview

Media Go and Music Center for PC provided by Sony Group are file management tools. The installer of Media Go and Music Center for PC contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

Eili Masami of Tachibana Lab. and Shun Suzaki reported CVE-2017-10891 vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial

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
Affected Products


Sony Video & Sound Products Inc.
  • Media Go version 3.2.0.191 and earlier (CVE-2017-10891)
  • Music Center for PC version 1.0.00 (CVE-2017-10892)

Impact

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

Solution for Media Go:
[Do not install Media Go]
Do not install Media Go because there are no countermeasures provided by the developer against this vulnerability.
According to the developer, existing users are not affected by this vulnerability. However the developer states that it is recommended to use Media Center for PC instead because distribution of Media Go will be ended at the end of December 2017.

Solution for Music Center for PC:
[Use the latest installer]
Use the latest installer according to the information provided by the developer.
When installing "Music Center for PC", be sure to check there are no suspicious files in the directory where the installer resides.
According to the developer, existing users are not affected by this vulnerability. However the developer states that users are recommended to update Music Center for PC to the latest version using the latest installer because the updated version also contains fixes for other bugs.
Vendor Information

Sony Video & Sound Products Inc.
CWE (What is CWE?)

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

  1. CVE-2017-10891
  2. CVE-2017-10892
References

  1. JVN : JVN#08517069
  2. JVN : JVNTA#91240916
Revision History

[2017/11/21]
  Web page was published
[2017/12/13]
  Solution was modified