What is CVE-2018-20994?

CVE-2018-20994 is a high-severity vulnerability in Trust-Dns-Proto Project, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2019-08-26.

How severe is CVE-2018-20994?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-20994 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Trust-Dns-Proto Project

CVE-2018-20994

An issue was discovered in the trust-dns-proto crate before 0.5.0-alpha.3 for Rust. There is infinite recursion because DNS message compression is mishandled.

EPSS: 0.014 (69.9th 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

Trust-dns-proto_project Trust-dns-proto — versions 0.5.0
N/a — versions n/a

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

Public proof-of-concept exploits

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20994?: CVE-2018-20994 is a high-severity vulnerability in Trust-Dns-Proto Project, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2019-08-26.
How severe is CVE-2018-20994?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-20994 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.