wzdftpd FTP command denial of service

wzdftpd-ftp-dos (31599)

Medium Risk

Description:

wzdftpd is vulnerable to a denial of service, caused by a vulnerability in the FTP server. By sending a specially-crafted FTP command to the server, a remote attacker could cause a denial of service.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	2.6
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of wzdftpd (0.8.1 or later), available from the wzdftpd Web site. See References.

References:

• Full-Disclosure Mailing List, Fri Jan 19 2007 - 05:54:07 CST: WzdFTPD < 8.1 Denial of service.
• wzdftpd Web site: WZDftpD: a new multi -platform ftpd.
• BID-22131: WZDFTPD FTP Command Remote Denial of Service Vulnerability
• BID-22152: Wzdftpd Multiple Unspecified Remote Denial of Service Vulnerabilities
• CVE-2007-0428: Unspecified vulnerability in the chtbl_lookup function in hash.c for WzdFTPD 8.0 and earlier allows remote attackers to cause a denial of service via a crafted FTP command, probably due to a NULL pointer dereference.
• SA23852: wzdftpd Data Handling Denial of Service Vulnerability
• SECTRACK ID: 1017537: wzdftpd Unspecified Bug Lets Remote Users Cause Denial of Service Conditions
• VUPEN/ADV-2007-0277: WzdFTPD chtbl_lookup() Command Handling Remote Denial of Service Vulnerability

Platforms Affected:

• wzdftpd wzdftpd 0.8.0 & prior

Reported:

Jan 19, 2007

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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.

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