What is CVE-2019-5039?

CVE-2019-5039 is a high-severity vulnerability in Openweave Openweave-Core, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2019-08-20.

How severe is CVE-2019-5039?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Openweave Openweave-Core

CVE-2019-5039

An exploitable command execution vulnerability exists in the ASN1 certificate writing functionality of Openweave-core version 4.0.2. A specially crafted weave certificate can trigger a heap-based buffer overflow, resulting in code execution. An attacker can craft a weave certificate to trigger this vulnerability.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Openweave Openweave-core — versions 4.0.2
N/a Nest Labs — versions Nest Labs Openweave-core 4.0.2

Weakness classification (CWE)

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-5039?: CVE-2019-5039 is a high-severity vulnerability in Openweave Openweave-Core, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2019-08-20.
How severe is CVE-2019-5039?: High severity. CVSS v3 base score is 8.8 out of 10.