Zero-day Vulnerability Database

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Zero-day vulnerabilities discovered: 1

Remote code execution in GE Proficy CIMPLICITY HMI
CVE-2014-0751

Improper access control

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.

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According to ICS-CERT, the vulnerability has been exploited in the wild since at least since January 2012. The vulnerability has been exploited in Sandworm campaign.

Software: CIMPLICITY

Known/fameous malware:

BlackEnergy

According to ICS-CERT, the vulnerability has been exploited in the wild since at least since January 2012. The vulnerability has been exploited in Sandworm campaign.

Links:

https://ics-cert.us-cert.gov/alerts/ICS-ALERT-14-281-01B
https://ics-cert.us-cert.gov/advisories/ICSA-14-023-01
https://ge-ip.force.com/communities/servlet/fileField?retURL=%2Fcommunities%2Fapex%2FKnowledgeDetail...
https://ge-ip.force.com/communities/servlet/fileField?retURL=%2Fcommunities%2Fapex%2FKnowledgeDetail...
http://www.zerodayinitiative.com/advisories/ZDI-14-016/

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About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.