{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2009-3639","title":"Title"},{"category":"description","text":"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.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2009-3639","url":"https://www.suse.com/security/cve/CVE-2009-3639"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 549740 for CVE-2009-3639","url":"https://bugzilla.suse.com/549740"},{"category":"external","summary":"SUSE Bug 549741 for CVE-2009-3639","url":"https://bugzilla.suse.com/549741"}],"title":"SUSE CVE CVE-2009-3639","tracking":{"current_release_date":"2025-04-14T09:12:54Z","generator":{"date":"2023-02-15T06:02:11Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2009-3639","initial_release_date":"2023-02-15T06:02:11Z","revision_history":[{"date":"2023-02-15T06:02:11Z","number":"2","summary":"Current version"},{"date":"2025-03-14T08:12:44Z","number":"3","summary":"Current version"},{"date":"2025-03-16T14:46:39Z","number":"4","summary":"Current version"},{"date":"2025-04-14T09:12:54Z","number":"5","summary":"Current version"}],"status":"interim","version":"5"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"openSUSE Tumbleweed","product":{"name":"openSUSE Tumbleweed","product_id":"openSUSE 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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.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Tumbleweed:proftpd-1.3.5b-2.5","openSUSE Tumbleweed:proftpd-devel-1.3.5b-2.5","openSUSE Tumbleweed:proftpd-doc-1.3.5b-2.5","openSUSE Tumbleweed:proftpd-lang-1.3.5b-2.5","openSUSE Tumbleweed:proftpd-ldap-1.3.5b-2.5","openSUSE Tumbleweed:proftpd-mysql-1.3.5b-2.5","openSUSE Tumbleweed:proftpd-pgsql-1.3.5b-2.5","openSUSE Tumbleweed:proftpd-radius-1.3.5b-2.5","openSUSE Tumbleweed:proftpd-sqlite-1.3.5b-2.5"]},"references":[{"category":"external","summary":"CVE-2009-3639","url":"https://www.suse.com/security/cve/CVE-2009-3639"},{"category":"external","summary":"SUSE Security 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