Improper input validation in Gnu Gnutls

CVE-2016-4456

The "GNUTLS_KEYLOGFILE" environment variable in gnutls 3.4.12 allows remote attackers to overwrite and corrupt arbitrary files in the filesystem.

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

EPSS: 0.002 (48.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Gnu Gnutls — versions 3.4.12
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2016-4456?: CVE-2016-4456 is a high-severity vulnerability in Gnu Gnutls, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-08-08.
How severe is CVE-2016-4456?: High severity. CVSS v3 base score is 7.5 out of 10.