High severity · published Aug 8, 2017
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
7.5
CVSS
2.2%
EPSS
No
On KEV
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:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GN
Gnutls · Gnu
3.4.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4456
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4456
Mailing List
http://www.openwall.com/lists/oss-security/2016/06/07/6
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1343505
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