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Rewterz Threat Advisory – ICS : Delta Electronics DOPSoft Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-38402

The affected application lacks proper validation of user-supplied data when parsing specific project files. This could lead to a stack-based buffer overflow while trying to copy to a buffer during font string handling. An attacker could leverage this vulnerability to execute code in the context of the current process.

CVE-2021-38404

The affected application lacks proper validation of user-supplied data when parsing specific project files. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process.

CVE-2021-38406

The affected application lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.

Impact

  • Code Execution
  • Buffer Overflow

Affected Vendors

  • Delta Electronics

Affected Products

  • Delta Electronics DOPSoft 2.00.07
  • Delta Electronics DOPSoft 2.00.06
  • Delta Electronics DOPSoft 2.00.05
  • Delta Electronics DOPSoft 2.00.04

Remediation

Refer to ICS Advisory for the patch, upgrade, or suggested workaround information.

https://us-cert.cisa.gov/ics/advisories/icsa-21-252-02