CVE-2016-4456

HIGH

gnutls 3.4.12 - Arbitrary File Write via GNUTLS_KEYLOGFILE Environment Variable

Title source: llm
STIX 2.1

Description

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

References (2)

Core 2
Core References
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1343505
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/06/07/6

Scores

CVSS v3 7.5
EPSS 0.0025
EPSS Percentile 47.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-20
Status published
Products (1)
gnu/gnutls 3.4.12
Published Aug 08, 2017
Tracked Since Feb 18, 2026