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{"bugzilla": {"description": "ProFTPD: Doesn't properly handle NULL character in subjectAltName", "id": "530719", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530719"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "status": "draft"}, "details": ["The mod_tls module in ProFTPD before 1.3.2b, and 1.3.3 before 1.3.3rc2, when the dNSNameRequired TLS option is enabled, does not properly handle a '\\0' character in a domain name in the Subject Alternative Name field of an X.509 client certificate, which allows remote attackers to bypass intended client-hostname restrictions via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408."], "name": "CVE-2009-3639", "public_date": "2009-08-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-3639"], "threat_severity": "Low"}