RedhatCVELIST:CVE-2009-3639CVE-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.
References
bugs.proftpd.org/show_bug.cgi?id=3275
marc.info/?l=oss-security&m=125630966510672&w=2
marc.info/?l=oss-security&m=125632960508211&w=2
secunia.com/advisories/37131
secunia.com/advisories/37219
www.debian.org/security/2009/dsa-1925
www.mandriva.com/security/advisories?name=MDVSA-2009:288
www.securityfocus.com/bid/36804
bugzilla.redhat.com/show_bug.cgi?id=530719
exchange.xforce.ibmcloud.com/vulnerabilities/53936
www.redhat.com/archives/fedora-package-announce/2009-November/msg00642.html
www.redhat.com/archives/fedora-package-announce/2009-November/msg00649.html
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