CVE-2016-4456 describes a vulnerability in gnutls version 3.4.12 where the "GNUTLS_KEYLOGFILE" environment variable allows remote attackers to overwrite and corrupt arbitrary files. This high-severity vulnerability (CVSS 7.5) has a network attack vector and low attack complexity, potentially leading to high integrity impact without requiring user interaction. While there is no known active exploitation, public exploit code, or KEV entry, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.4.12CPE matchmatch criteria | cpe:2.3:a:gnu:gnutls:3.4.12:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.