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{"acknowledgement": "This issue was discovered by Nikos Mavrogiannopoulos (Red Hat).", "bugzilla": {"description": "gnutls: Environment variable GNUTLS_KEYLOGFILE is obtained via insecure getenv()", "id": "1343505", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1343505"}, "csaw": false, "cvss": {"cvss_base_score": "5.6", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:N/I:C/A:C", "status": "draft"}, "cvss3": {"cvss3_base_score": "6.3", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H", "status": "draft"}, "details": ["The \"GNUTLS_KEYLOGFILE\" environment variable in gnutls 3.4.12 allows remote attackers to overwrite and corrupt arbitrary files in the filesystem."], "name": "CVE-2016-4456", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "gnutls", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_linux:7::hypervisor", "fix_state": "Not affected", "package_name": "mingw-virt-viewer", "product_name": "Red Hat Enterprise Virtualization 3"}], "public_date": "2016-06-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-4456\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-4456\nhttp://gnutls.org/security.html#GNUTLS-SA-2016-1"], "threat_severity": "Moderate", "upstream_fix": "gnutls 3.4.13"}