Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2009-3639

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.017
EPSS Ranking 81.6%
CVSS Severity
CVSS v2 Score 5.8
References
Products affected by CVE-2009-3639


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