![]() A successful exploitation of this vulnerability would require either direct access to the two-wire field network or access to the local industrial network where specially timed malicious packets would need to be injected. “The CVSSv2 Base score is 1.8, which is too low for most to consider. “The quick answer to the level of importance for this issue is these vulnerabilities do not represent much ‘net unmitigated risk’ to users,” said Joel Langill, of RedHat Cyber, an independent ICS security researcher. In just one example, this is where you can identify a Honeywell HART Device DTM library:Ĭompanies using CodeWrights GmbH product include: Libraries prior to Version 1.4.181 suffer from the issue. A user can identify these libraries by a filename DDCH*Lib.dll, where “*” is a wildcard string typically signifying references to a specific device vendor. The company mitigated the vulnerability and now suppliers are going about validating the fixes to ensure it resolves the vulnerability.Īny DTM written by CodeWrights using DTMStudio prior to version 1.5.151 suffers from the issue. These reports, which have been keeping ICS-CERT busy over the past few weeks, talk about CodeWrights producing DTM libraries for vendors of HART products for use with FDT Frame Applications. ![]() They focus on CodeWrights GmbH updating an improper input validation vulnerability in its Device Type Manager (DTM) libraries for HART field devices. Notifications have been coming fast and furious - and they are not done yet. ![]()
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