Zero-day Vulnerability Database

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Zero-day vulnerabilities discovered: 1

Insecure DLL loading in SIMATIC STEP 7 and PCS 7
CVE-2012-3015

DDL hijacking

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insecure DDL loading mechanism when processing STEP 7 files in SIMATIC STEP 7 and SIMATIC PCS 7 software. A remote attacker can trick the victim into opening a SETP 7 file from a remote SMB or WebDAV share, which hosts malicious .dll file, and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note: the vulnerability has been exploited in the wild by Stuxnet malware in 2010.

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The vulnerability was used by Stuxnet along with CVE-2010-2772.

Software: SIMATIC STEP 7

Known/fameous malware:

Stuxnet

The vulnerability was used by Stuxnet along with CVE-2010-2772.

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