VulnerabilityModified
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).
HIGH 7.5EPSS 1.90%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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).
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.90% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- libnyoci project/libnyoci
- Source
- cve@mitre.org
References
- https://github.com/darconeous/libnyoci/issues/21Exploit, Third Party Advisory
- https://github.com/darconeous/libnyoci/issues/21Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.