SCADA Vulnerabilities & Exposures (SVE)

CRITIFENCE® SCADA Vulnerabilities and Exposures Database (SVE)

[SVE-244172201] INTERSCHALT VDR G4e Path Traversal Vulnerability

Date Type Platform Author EDB-ID CVE-ID OSVDB-ID Download App SIS Signature
2016-12-08OtherINTERSCHALTMaxim RuppN/ACVE-2016-9339 N/AN/AN/A

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# INTERSCHALT VDR G4e Path Traversal Vulnerability
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### OVERVIEW

Independent researcher Maxim Rupp has identified a path traversal vulnerability in INTERSCHALT Maritime Systems's (INTERSCHALT) VDR G4e application. INTERSCHALT has produced a patch to mitigate this vulnerability. Maxim Rupp has tested the patch to validate that it resolves the vulnerability.
This vulnerability could be exploited remotely.



### AFFECTED PRODUCTS

INTERSCHALT reports that the vulnerability affects the following versions of VDR G4e:
Versions 5.220 and prior.



### IMPACT

Successful exploitation of this vulnerability could allow an attacker to read/download arbitrary files from the target host.
Impact to individual organizations depends on many factors that are unique to each organization. NCCIC/ICS-CERT recommends that organizations evaluate the impact of this vulnerability based on their operational environment, architecture, and product implementation.



### BACKGROUND

INTERSCHALT is a German-based company that maintains offices in several countries around the world, including the United States, China, and Germany.
The affected product, VDR G4e, is a maritime voyage data recorder. According to INTERSCHALT, VDR G4e is deployed in the Transportation Systems sector. INTERSCHALT estimates that this product is used primarily in the United States and Europe with a small percentage in Asia.



### VULNERABILITY CHARACTERIZATION

# VULNERABILITY OVERVIEW

IMPROPER LIMITATION OF A PATHNAME TO A RESTRICTED DIRECTORY ("PATH TRAVERSAL")a
External input is used to construct paths to files and directories without properly neutralizing special elements within the pathname that could allow an attacker to read files on the system.
CVE-2016-9339b has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)




### VULNERABILITY DETAILS

# EXPLOITABILITY

This vulnerability could be exploited remotely.



# EXISTENCE OF EXPLOIT

No known public exploits specifically target this vulnerability.



# DIFFICULTY

An attacker with a low skill would be able to exploit this vulnerability.



### MITIGATION

INTERSCHALT recommends that affected users update their devices to Version 5.230 as soon as possible.