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{"acknowledgement": "Red Hat would like to thank Andrej Gessel and Kai Blin (The samba project) and Laurent Debomy for reporting this issue.", "bugzilla": {"description": "libldb: LDAP server crash via distinguishedName", "id": "1580230", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1580230"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-20", "details": ["A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server. An attacker could use this flaw to cause a denial of service against a samba server, used as a Active Directory Domain Controller. All versions of Samba from 4.8.0 onwards are vulnerable", "A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server. An attacker could use this flaw to cause a denial of service against a samba server, used as a Active Directory Domain Controller."], "name": "CVE-2018-1140", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "libldb", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libldb", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libldb", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libldb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "libldb", "product_name": "Red Hat Storage 3"}], "public_date": "2018-08-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-1140\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-1140\nhttps://bugzilla.samba.org/show_bug.cgi?id=13374\nhttps://www.samba.org/samba/security/CVE-2018-1140.html"], "statement": "This flaw only affects libldb/samba when configured as Active Directory Domain Controller. Versions of samba in Red Hat Enterprise Linux 6 and 7 do not support this configuration and therefore are not affected by this flaw.", "threat_severity": "Moderate", "upstream_fix": "libldb 1.4.1, libldb 1.3.5"}