CVE-2016-4456

CWE-20 — Improper Input Validation8 documents7 sources
Severity
7.5HIGH
EPSS
0.2%
top 52.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
GNU Gnutls
Timeline
PublishedAug 8
Latest updateMay 13

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶Debiangnutls28< 3.4.13-1+3
▶NVDgnu/gnutls3.4.12

🔴Vulnerability Details

3
GHSA
GHSA-f425-wv72-9hrq: The "GNUTLS_KEYLOGFILE" environment variable in gnutls 3↗2022-05-13
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CVEList
CVE-2016-4456: The "GNUTLS_KEYLOGFILE" environment variable in gnutls 3↗2017-08-08
▶
OSV
CVE-2016-4456: The "GNUTLS_KEYLOGFILE" environment variable in gnutls 3↗2017-08-08
▶

📋Vendor Advisories

2
Red Hat
gnutls: Environment variable GNUTLS_KEYLOGFILE is obtained via insecure getenv()↗2016-06-06
▶
Debian
CVE-2016-4456: gnutls28 - The "GNUTLS_KEYLOGFILE" environment variable in gnutls 3.4.12 allows remote atta...↗2016
▶

💬Community

2
Bugzilla
CVE-2016-4456 gnutls: various flaws [fedora-23]↗2016-06-07
▶
Bugzilla
CVE-2016-4456 gnutls: Environment variable GNUTLS_KEYLOGFILE is obtained via insecure getenv()↗2016-06-07
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CVE-2016-4456 (HIGH CVSS 7.5) | The "GNUTLS_KEYLOGFILE" environment | cvebase.io