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{"bugzilla": {"description": "ntp: ntpd allows remote attackers to prevent a broadcast client from synchronizing its clock", "id": "1848589", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1848589"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-20", "details": ["ntpd in ntp 4.2.8p10, 4.2.8p11, 4.2.8p12 and 4.2.8p13 allow remote attackers to prevent a broadcast client from synchronizing its clock with a broadcast NTP server via soofed mode 3 and mode 5 packets. The attacker must either be a part of the same broadcast network or control a slave in that broadcast network that can capture certain required packets on the attacker's behalf and send them to the attacker."], "name": "CVE-2018-8956", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2020-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-8956\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-8956\nhttps://arxiv.org/abs/2005.01783\nhttps://nikhiltripathi.in/NTP_attack.pdf\nhttps://security.netapp.com/advisory/ntap-20200518-0006/"], "statement": "As per the researcher this issue only affects NTP versions 4.2.8p10 through 4.2.8p13, which are not shipped with any Red Hat products, therefore they are not affected by this flaw.", "threat_severity": "Moderate", "upstream_fix": "ntp 4.2.8p14"}