Improper input validation in Golang Go

CVE-2018-16875

The crypto/x509 package of Go before 1.10.6 and 1.11.x before 1.11.3 does not limit the amount of work performed for each chain verification, which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients are affected.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.064 (93.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-16875: held from 0.063 to 0.064.

EPSS over last 30 days · oldest: 0.063 · newest: 0.064 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-16875?
CVE-2018-16875 is a medium-severity vulnerability in Golang Go, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2018-12-14.
How severe is CVE-2018-16875?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2018-16875 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.