Upstream information

CVE-2009-3639 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5.8
Vector AV:N/AC:M/Au:N/C:N/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact Partial
SUSE Bugzilla entries: 549740 [VERIFIED / FIXED], 549741 [CLOSED / DUPLICATE]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • proftpd >= 1.3.5b-2.5
  • proftpd-devel >= 1.3.5b-2.5
  • proftpd-doc >= 1.3.5b-2.5
  • proftpd-lang >= 1.3.5b-2.5
  • proftpd-ldap >= 1.3.5b-2.5
  • proftpd-mysql >= 1.3.5b-2.5
  • proftpd-pgsql >= 1.3.5b-2.5
  • proftpd-radius >= 1.3.5b-2.5
  • proftpd-sqlite >= 1.3.5b-2.5
 Patchnames:
openSUSE-Tumbleweed-2024-10048

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP6 proftpd Analysis
SUSE Linux Enterprise Module for Server Applications 15 SP6 proftpd Analysis
SUSE Linux Enterprise Server 15 SP6 proftpd Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP6 proftpd Analysis
openSUSE Leap 15.6 proftpd Analysis

SUSE Timeline for this CVE

CVE page created: Tue Jul 9 17:10:41 2013
CVE page last modified: Sun Apr 13 15:15:20 2025