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Double Free

CVE-2019-11490

High
7.8/10

Summary

An issue was discovered in Npcap 0.992. Sending a malformed .pcap file with the loopback adapter using either pcap_sendqueue_queue() or pcap_sendqueue_transmit() results in kernel pool corruption. This could lead to arbitrary code executing inside the Windows kernel and allow escalation of privileges.

  • LOW
  • LOCAL
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • HIGH

CWE-415 - Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

References

Advisory Timeline

  • Published