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Improper Check for Unusual or Exceptional Conditions

CVE-2020-27274

Medium
5/10

Summary

Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close, which may lead to a denial-of-service condition on the OPC UA Tunneller (versions prior to 6.3.0.8233).

  • LOW
  • NETWORK
  • NONE
  • NONE
  • NONE
  • PARTIAL

CWE-754 - Improper Check for Unusual or Exceptional Conditions

The software does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the software.

References

Advisory Timeline

  • Published