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Vulnerability Alert

GE Proficy gefebt.exe Path Traversal Vulnerability

 
Threat Type:CWE-22: Path Traversal
IntelliShield ID:32556
Version:2
First Published:2014 January 24 16:29 GMT
Last Published:2014 February 28 17:18 GMT
Port: Not available
CVE:CVE-2014-0750
BugTraq ID:65124
Urgency:Possible use
Credibility:Confirmed
Severity:Moderate Damage
CVSS Base:7.5 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:6.2
 
 
Version Summary:Functional code that exploits the GE Proficy gefebt.exe path traversal vulnerability is publicly available.
 
 
Description
GE Proficy HMI/SCADA - CIMPLICITY contains a vulnerability that could allow an unauthenticated, remote attacker to conduct directory traversal attacks on a  targeted system.

The vulnerability is due to improper validation of user-supplied input by the affected software. An attacker could exploit this vulnerability by using crafted filenames to inject arbitrary shell commands into the backup process. An exploit could allow the attacker to write files in arbitrary locations on the filesystem.

Functional code that exploits this vulnerability is available as part of the Metasploit framework.

GE Software has confirmed this vulnerability and released updated software. 
 
Warning Indicators
The following GE products are vulnerable:
  • Proficy HMI/SCADA - CIMPLICITY, versions 4.01 to 8.2
  • Proficy Process Systems with CIMPLICITY
 
IntelliShield Analysis
To exploit this vulnerability, the attacker must send crafted requests to the targeted system. To achieve this objective, the attacker would likely need access to trusted, internal networks. This access requirement decreases the likelihood of a successful exploit.
 
Vendor Announcements
GE has released a security advisory at the following link: GEIP13-05.
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to conduct directory traversal attacks and execute arbitrary code on a targeted system.
 
Technical Information
The vulnerability is due to improper validation of filenames by the gefebt.exe component supplied with CIMPLICITY CimWebServer.

An attacker could exploit this vulnerability by modifying the source location using crafted filenames to inject arbitrary shell commands to the CimWebServer. When processed, the code could deploy the malicious files as a server-side script, allowing the attacker to execute arbitrary code.
 
Safeguards
Administrators are advised to apply the appropriate updates.

Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.

Administrators are advised to monitor affected systems.
 
Patches/Software
GE has released updated software at the following link: Proficy HMI/SCADA - CIMPLICITY 8.2 SIM 24
 
Alert History
 

Version 1, January 24, 2014, 11:29 AM: GE Proficy HMI/SCADA - CIMPLICITY contains a vulnerability that could allow an unauthenticated, remote attacker to conduct directory traversal attacks on a targeted system. Updates are available.



Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
GE Intelligent PlatformsProficy HMI/SCADA - CIMPLICITY 7.5 Base | 8.0 Base, 0.1, 0.2 | 8.2 Base | 8.1 Base | 4.01 Base | 5.0 Base | 5.5 Base | 6.0 Base | 6.1 Base | 6.15 Base | 6.2 Base | 7.0 Base

Associated Products:
N/A




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