vsftpd deny_file denial of service
|vsftpd-denyfile-dos (42593)||Medium Risk|
vsftpd is vulnerable to a denial of service, caused by a memory leak error when the deny_file option is enabled. A remote attacker could exploit this vulnerability using unknown attack vectors to utilize all memory resources.
Denial of Service
Refer to RHSA-2008-0295 for patch, upgrade or suggested workaround information. See References.
- Red Hat Bugzilla Bug 397011: CVE-2007-5962 vsftpd: memory leak when deny_file option is set.
- vsftpd Web page: vsftpd - Secure, fast FTP server for UNIX-like systems.
- BID-29322: vsftpd FTP Server 'deny_file' Option Remote Denial of Service Vulnerability
- CVE-2007-5962: Memory leak in a certain Red Hat patch, applied to vsftpd 2.0.5 on Red Hat Enterprise Linux (RHEL) 5 and Fedora 6 through 8, and on Foresight Linux and rPath appliances, allows remote attackers to cause a denial of service (memory consumption) via a large number of CWD commands, as demonstrated by an attack on a daemon with the deny_file configuration option.
- RHSA-2008-0295: Low: vsftpd security and bug fix update
- SECTRACK ID: 1020079: vsftpd Memory Leak in 'deny_file' Option Lets Remote Authenticated Users Deny Service
- RedHat Enterprise Linux 5
- RedHat Enterprise Linux 5 Client Workstation
- vsftpd vsftpd 2.0.5
May 21, 2008
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.