JVN#08517069
The installer of Media Go and Music Center for PC may insecurely load Dynamic Link Libraries
Overview
The installer of Media Go and Music Center for PC may insecurely load Dynamic Link Libraries.
Products Affected
- Media Go version 3.2.0.191 and earlier (CVE-2017-10891)
- Music Center for PC version 1.0.00 (CVE-2017-10892)
Description
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).
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 Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| Sony Video & Sound Products Inc. | Vulnerable | 2017/11/21 | Sony Video & Sound Products Inc. website |
References
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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
| 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) |
| 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
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.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2017-10891 |
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CVE-2017-10892 |
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| JVN iPedia |
JVNDB-2017-000239 |
Update History
- 2017/12/13
- Information under [Solution] was modified.