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{"affected_release": [{"advisory": "RHSA-2015:1459", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "ntp-0:4.2.6p5-5.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2015-07-21T00:00:00Z"}, {"advisory": "RHSA-2015:2231", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "ntp-0:4.2.6p5-22.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-11-19T00:00:00Z"}], "bugzilla": {"description": "ntp: ntp-keygen may generate non-random symmetric keys on big-endian systems", "id": "1210324", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1210324"}, "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-628->(CWE-835|CWE-330)", "details": ["ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12 does not generate MD5 keys with sufficient entropy on big endian machines when the lowest order byte of the temp variable is between 0x20 and 0x7f and not #, which might allow remote attackers to obtain the value of generated MD5 keys via a brute force attack with the 93 possible keys.", "A flaw was found in the way the ntp-keygen utility generated MD5 symmetric keys on big-endian systems. An attacker could possibly use this flaw to guess generated MD5 keys, which could then be used to spoof an NTP client or server."], "name": "CVE-2015-3405", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2015-04-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-3405\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-3405"], "statement": "This issue affects the versions of ntp as shipped with Red Hat Enterprise Linux 5.\nRed Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.", "threat_severity": "Low"}