Published:2017/12/22  Last Updated:2017/12/22

JVN#60695371
The installer of Music Center for PC may insecurely load Dynamic Link Libraries

Overview

The installer of Music Center for PC may insecurely load Dynamic Link Libraries.

Note that this vulnerability is different from JVN#08517069.

Products Affected

  • Music Center for PC version 1.0.01 and earlier

The developer states that this vulnerability is exploited only when executing the installer on Windows 7.

Description

Music Center for PC provided by Sony Video & Sound Products Inc. is a file management tool. The installer of Music Center for PC contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

Impact

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

Solution

Use the latest installer
Windows 7 users who intend to install Music Center for PC should use the latest installer according to the information 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.
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 Status

Vendor Status Last Update Vendor Notes
Sony Video & Sound Products Inc. Vulnerable 2017/12/22 Sony Video & Sound Products Inc. website

References

  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

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
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)
CVSS v2 AV:N/AC:M/Au:N/C:P/I:P/A:P
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)

Comment

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

Credit

DigiGnome(@biz4g) reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2017-10909
JVN iPedia JVNDB-2017-000250