Advisory Details

March 2nd, 2018

Delta Industrial Automation DOPSoft DPA File SysKeyPwd Stack-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2018-5476
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Delta Industrial Automation
AFFECTED PRODUCTS	DOPSoft
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['29883']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Delta Industrial Automation DOPSoft. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of the SysKeyPwd attribute in a DPA file. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code under the context of the current process.
ADDITIONAL DETAILS	Delta Industrial Automation has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-18-060-03
DISCLOSURE TIMELINE	2017-10-12 - Vulnerability reported to vendor 2018-03-02 - Coordinated public release of advisory 2018-03-02 - Advisory Updated
CREDIT	Ghirmay Desta

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