NULL pointer dereference in Openvpn

CVE-2017-7522

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.

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

EPSS: 0.005 (67.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-7522?
CVE-2017-7522 is a medium-severity vulnerability in Openvpn, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-06-27.
How severe is CVE-2017-7522?
Medium severity. CVSS v3 base score is 6.5 out of 10.