Test ID:	1.3.6.1.4.1.25623.1.0.100316
Category:	FTP
Title:	ProFTPD mod_tls Module NULL Character CA SSL Certificate Validation Security Bypass Vulnerability
Summary:	ProFTPD is prone to a security bypass vulnerability because the; application fails to properly validate the domain name in a signed CA; certificate, allowing attackers to substitute malicious SSL; certificates for trusted ones.
Description:	Summary: ProFTPD is prone to a security bypass vulnerability because the application fails to properly validate the domain name in a signed CA certificate, allowing attackers to substitute malicious SSL certificates for trusted ones. Vulnerability Impact: Successful exploits allows attackers to perform man-in-the- middle attacks or impersonate trusted servers, which will aid in further attacks. Affected Software/OS: Versions prior to ProFTPD 1.3.2b and 1.3.3 to 1.3.3.rc1 are vulnerable. Solution: Updates are available. Please see the references for details. CVSS Score: 5.8 CVSS Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2009-3639 36804 http://www.securityfocus.com/bid/36804 37131 http://secunia.com/advisories/37131 37219 http://secunia.com/advisories/37219 DSA-1925 http://www.debian.org/security/2009/dsa-1925 FEDORA-2009-11649 https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00642.html FEDORA-2009-11666 https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00649.html MDVSA-2009:288 http://www.mandriva.com/security/advisories?name=MDVSA-2009:288 [oss-security] 20091023 Re: proftpd - mod_tls - Improper SSL/TLS certificate subjectAltName verification http://marc.info/?l=oss-security&m=125632960508211&w=2 [oss-security] 20091023 proftpd - mod_tls - Improper SSL/TLS certificate subjectAltName verification http://marc.info/?l=oss-security&m=125630966510672&w=2 http://bugs.proftpd.org/show_bug.cgi?id=3275 https://bugzilla.redhat.com/show_bug.cgi?id=530719 proftpd-modtls-security-bypass(53936) https://exchange.xforce.ibmcloud.com/vulnerabilities/53936
Copyright	Copyright (C) 2009 Greenbone AG

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