Buffer overflow in Axtls Project

CVE-2019-10013

The asn1_signature function in asn1.c in Cameron Hamilton-Rich axTLS through 2.1.5 has a Buffer Overflow that allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted certificate in the TLS certificate handshake message, because the result of get_asn1_length() is not checked for a minimum or maximum size.

Vulnerability class: Buffer Overflow

EPSS: 0.019 (77.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-10013?
CVE-2019-10013 is a high-severity vulnerability in Axtls Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2019-12-03.
How severe is CVE-2019-10013?
High severity. CVSS v3 base score is 7.5 out of 10.