Candidate: CVE-2016-4456
PublicDate: 2017-08-08 21:29:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4456
 http://gnutls.org/security.html#GNUTLS-SA-2016-1
 http://www.openwall.com/lists/oss-security/2016/06/07/2
Description:
 The "GNUTLS_KEYLOGFILE" environment variable in gnutls 3.4.12 allows remote
 attackers to overwrite and corrupt arbitrary files in the filesystem.
Ubuntu-Description:
Notes:
 mdeslaur> introduced in 3.4.12
Bugs:
Priority: medium
Discovered-by: Nikos Mavrogiannopoulos
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N [7.5 HIGH]
 nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N [7.5 HIGH]

Patches_gnutls28:
upstream_gnutls28: released (3.4.13-1)
precise_gnutls28: not-affected
trusty_gnutls28: not-affected
trusty/esm_gnutls28: DNE (trusty was not-affected)
vivid/stable-phone-overlay_gnutls28: not-affected
vivid/ubuntu-core_gnutls28: not-affected
wily_gnutls28: not-affected
xenial_gnutls28: not-affected
esm-infra/xenial_gnutls28: not-affected
devel_gnutls28: not-affected (3.4.11-4ubuntu1)