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Fedora Core 11 FEDORA-2009-11649 (proftpd)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to proftpd announced via advisory FEDORA-2009-11649.
Insight
Insight
Update Information: This update fixes CVE-2009-3639, in which proftpd's mod_tls, 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. This allows remote attackers to bypass intended client-hostname restrictions via a crafted certificate issued by a legitimate Certification Authority. ChangeLog: * Wed Oct 21 2009 Paul Howarth 1.3.2b-1 - Update to 1.3.2b - Fixed regression causing command-line define options not to work (bug 3221) - Fixed SSL/TLS cert subjectAltName verification (bug 3275, CVE-2009-3639) - Use correct cached user values with SQLNegativeCache on (bug 3282) - Fix slower transfers of multiple small files (bug 3284) - Support MaxTransfersPerHost, MaxTransfersPerUser properly (bug 3287) - Handle symlinks to directories with trailing slashes properly (bug 3297) - Drop upstreamed defines patch (bug 3221)
Solution
Solution
Apply the appropriate updates. This update can be installed with the yum update program. Use su -c 'yum update proftpd' at the command line. For more information, refer to Managing Software with yum, available at http://docs.fedoraproject.org/yum/. https://secure1.securityspace.com/smysecure/catid.html?in=FEDORA-2009-11649