Vulnerability identifier: #VU6189
Vulnerability risk: Critical
CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
CIMPLICITY
Server applications /
SCADA systems
Vendor: GE Digital
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to improper access control and incorrect validation of the szScreen field when processing file uploads within the CimWebServer component. A remote unauthenticated attacker can upload and execute arbitrary file on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Note: this vulnerability has been exploited in targeted attacks.
Mitigation
The vulnerability is present in Proficy HMI/SCADA – CIMPLICITY: Version 4.01 and greater.
To resolve the issue, install Proficy HMI/SCADA – CIMPLICITY 8.2 SIM 24:
http://support.ge-ip.com/support/index?page=dwchannel&id=DN4128
Vulnerable software versions
CIMPLICITY: 8.2 SIM 23
External links
http://ge-ip.force.com/communities/servlet/fileField?retURL=%2Fcommunities%2Fapex%2FKnowledgeDetail...
http://ge-ip.force.com/communities/servlet/fileField?retURL=%2Fcommunities%2Fapex%2FKnowledgeDetail...
http://www.zerodayinitiative.com/advisories/ZDI-14-016/
http://ics-cert.us-cert.gov/alerts/ICS-ALERT-14-281-01B
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.