What is CVE-2018-16870?

CVE-2018-16870 is a medium-severity vulnerability in Wolfssl, classified under Information Disclosure. CVSS score: 5.9/10. Published 2019-01-03.

How severe is CVE-2018-16870?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Information disclosure in Wolfssl

CVE-2018-16870

It was found that wolfssl before 3.15.7 is vulnerable to a new variant of the Bleichenbacher attack to perform downgrade attacks against TLS. This may lead to leakage of sensible data.

Vulnerability class: Information Disclosure

EPSS: 0.016 (73.1th percentile) — read the EPSS interpretation.

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:H/I:N/A:N.

Affected products

Wolfssl
N/a Wolfssl — versions before 3.15.7

Weakness classification (CWE)

CWE-200 — Information Disclosure
CWE-310 — Cryptographic Issues

References

secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
secalert@redhat.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-16870?: CVE-2018-16870 is a medium-severity vulnerability in Wolfssl, classified under Information Disclosure. CVSS score: 5.9/10. Published 2019-01-03.
How severe is CVE-2018-16870?: Medium severity. CVSS v3 base score is 5.9 out of 10.