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{"bugzilla": {"description": "nmap: denial of service condition due to a double free when SSH connection fails", "id": "1749181", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1749181"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-400", "details": ["nse_libssh2.cc in Nmap 7.70 is subject to a denial of service condition due to a double free when an SSH connection fails, as demonstrated by a leading \\n character to ssh-brute.nse or ssh-auth-methods.nse."], "name": "CVE-2017-18594", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "nmap", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "nmap", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "nmap", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "nmap", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2019-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-18594\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-18594"], "statement": "Red Hat Enterprise Linux 8 is shipped with a vulnerable version of nmap sources, however, the libssh2 module is explicitly excluded from compilation, and is thus not affected. A future update may fix the source.\nRed Hat Enterprise Linux 7 and older are shipped with nmap-6.40 and older, which do not contain the libssh2 module.", "threat_severity": "Low", "upstream_fix": "nmap 7.80"}