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{"affected_release": [{"advisory": "RHSA-2014:2025", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "ntp-0:4.2.2p1-18.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2014-12-20T00:00:00Z"}, {"advisory": "RHSA-2014:2024", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "ntp-0:4.2.6p5-2.el6_6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2014-12-20T00:00:00Z"}, {"advisory": "RHSA-2015:0104", "cpe": "cpe:/o:redhat:rhel_eus:6.5", "package": "ntp-0:4.2.6p5-2.el6_5", "product_name": "Red Hat Enterprise Linux 6.5 Extended Update Support", "release_date": "2015-01-28T00:00:00Z"}, {"advisory": "RHSA-2014:2024", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "ntp-0:4.2.6p5-19.el7_0", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2014-12-20T00:00:00Z"}], "bugzilla": {"description": "ntp: automatic generation of weak default key in config_auth()", "id": "1176032", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1176032"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:N", "status": "verified"}, "cwe": "CWE-338", "details": ["The config_auth function in ntpd in NTP before 4.2.7p11, when an auth key is not configured, improperly generates a key, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack.", "It was found that ntpd automatically generated weak keys for its internal use if no ntpdc request authentication key was specified in the ntp.conf configuration file. A remote attacker able to match the configured IP restrictions could guess the generated key, and possibly use it to send ntpdc query or configuration requests."], "mitigation": {"lang": "en:us", "value": "Issue these commands to explicitly generate a strong key and add it to the\nntpd configuration:\necho trustedkey 65535 >> /etc/ntp.conf\nprintf \"65535\\tM\\t%s\\n\" $(tr -cd a-zA-Z0-9 < /dev/urandom | head -c 16) >> /etc/ntp/keys\nThe generated key has about 95 bits of entropy."}, "name": "CVE-2014-9293", "public_date": "2014-12-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-9293\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-9293\nhttp://support.ntp.org/bin/view/Main/SecurityNotice#Weak_default_key_in_config_auth\nhttps://access.redhat.com/articles/1305723"], "threat_severity": "Moderate", "upstream_fix": "ntp 4.2.8"}