Double Free in Nmap Npcap

CVE-2019-11490

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.

Vulnerability class: Double Free

EPSS: 0.007 (49.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2019-11490?
CVE-2019-11490 is a high-severity vulnerability in Nmap Npcap, classified under Double Free. CVSS score: 7.8/10. Published 2019-04-24.
How severe is CVE-2019-11490?
High severity. CVSS v3 base score is 7.8 out of 10.