Published:2018/08/17  Last Updated:2018/08/17
      
        JVN#14451678
        NoMachine App for Android vulnerable to environment variables alteration
              
      
      Overview
NoMachine App for Android contains an information alteration vulnerability.
Products Affected
- NoMachine App for Android 5.0.63 and earlier
Description
NoMachine App for Android contains an information alteration vulnerability.
Impact
A remote attacker may alter environemt variables of the NoMachine App. As a result, arbitrary code may be executed.
Solution
Update the Software
Update to the latest version of software according to the information provided by the developer.
Vendor Status
| Vendor | Link | 
| NoMachine S.à r.l. | NoMachine app for Android v. 5.0.63 could be exploited by altering environment variables | 
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
              CVSS v3
              CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
              
                
            
            
                  Base Score:
                  5.3
                
                
              | 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:H/Au:N/C:P/I:P/A:P
                
                  
              
              
                    Base Score:
                    5.1
                  
                  
                | 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) | 
Credit
Satoru Nagaoka of Cyber Defense Institute, Inc. 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-2018-0664 | 
| JVN iPedia | JVNDB-2018-000091 | 
