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Access of Resource Using Incompatible Type ('Type Confusion')

CVE-2023-50433

Medium
6.5/10

Summary

marshall in dhcp_packet.c in simple-dhcp-server through ec976d2 allows remote attackers to cause a denial of service by sending a malicious DHCP packet. The crash is caused by a type confusion bug that results in a large memory allocation; when this memory allocation fails the DHCP server will crash.

  • LOW
  • ADJACENT_NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • HIGH

CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

References

Advisory Timeline

  • Published