CVE-2016-4456

7.5 HIGH
Published: August 08, 2017 Modified: May 13, 2026
View on NVD

Description

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/07/6
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1343505
Source: secalert@redhat.com
Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/07/6
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1343505
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
2.2%
80th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

gnu