Summary
Successful exploitation of this vulnerability may allow the control programmer to call additional OS functions from the PLC logic utilizing the SysFile system library.
Vulnerabilities 1
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Unscored —
CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.
Revision history
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#1
ICSA-21-173-04 CODESYS Control V2 Linux SysFile library
References
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ICS Advisory ICSA-21-173-04 Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-21-173-04
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Recommended Practices
https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B