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Delta Electronics has new software to mitigate a stack-based buffer overflow in its Delta Industrial Automation DOPSoft, according to a report with ICS-CERT.

A human machine interface (HMI), Delta Industrial Automation DOPSoft, Version 4.00.01 or prior suffer from the remotely exploitable vulnerability, discovered by Ghirmay Desta working with Trend Micro’s Zero Day Initiative (ZDI).

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Successful exploitation of this vulnerability could cause the device the attacker is accessing to crash; a buffer overflow condition may allow remote code execution.

No known public exploits specifically target this vulnerability. However, an attacker with low skill level could leverage the vulnerability.

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Stack-based buffer overflow vulnerabilities caused by processing specially crafted .dop or .dpb files may allow an attacker to remotely execute arbitrary code.

CVE-2018-5476 is the case number assigned to this vulnerability, which has a CVSS v3 base score of 6.3.

The product sees use mainly in the commercial facilities, communications, critical manufacturing, energy, and healthcare and public health sectors. It also sees action on a global basis.

Taiwan-based Delta Electronics recommends affected users update to the latest version of DOPSoft Version 4.00.04.

Delta Electronics also recommends users restrict the interaction with the application to trusted files.

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