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{"acknowledgement": "Red Hat would like to thank Isaac Boukris and Andrew Bartlett (Samba Team and Catalyst) for reporting this issue.", "bugzilla": {"description": "samba: S4U2Self with unkeyed checksum", "id": "1705877", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1705877"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-358", "details": ["A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.", "A flaw was found in samba's Heimdal KDC implementation when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal."], "name": "CVE-2018-16860", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "samba4", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Storage 3"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Not affected", "package_name": "redhat-virtualization-host", "product_name": "Red Hat Virtualization 4"}], "public_date": "2019-05-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-16860\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-16860\nhttps://www.samba.org/samba/security/CVE-2018-16860.html"], "threat_severity": "Moderate", "upstream_fix": "Samba 4.8.12, Samba 4.9.8, Samba 4.10.3"}