NULL pointer dereference in Libnyoci Project

CVE-2019-12101

coap_decode_option in coap.c in LibNyoci 0.07.00rc1 mishandles certain packets with "Uri-Path: (null)" and consequently allows remote attackers to cause a denial of service (segmentation fault).

EPSS: 0.019 (77.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-12101?
CVE-2019-12101 is a high-severity vulnerability in Libnyoci Project, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2019-05-15.
How severe is CVE-2019-12101?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-12101 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.