zFtp Server <= 2011-04-13 | "STAT,CWD" Remote Denial of Service Vulnerability

2011-10-26T00:00:00
ID SECURITYVULNS:DOC:27213
Type securityvulns
Reporter Securityvulns
Modified 2011-10-26T00:00:00

Description

zFtp Server <= 2011-04-13 | "STAT,CWD" Remote Denial of Service Vulnerability

  1. OVERVIEW

The zFTP server is found to be vulnerable to denial of service in handling multiple STAT and CWD command requests.

  1. BACKGROUND

The zFTP server is a Windows based FTP server with focus on clever Active Directory integration and powerful, effortless administration.

  1. VERSIONS AFFECTED

2011-04-13 and earlier

  1. PROOF-OF-CONCEPT/EXPLOIT

http://www.exploit-db.com/exploits/18028/

  1. SOLUTION

The vendor has released the patched version (http://download.zftpserver.com/zFTPServer_Suite_Setup.exe)

  1. VENDOR

Vastgota-Data

  1. CREDIT

This vulnerability was discovered by Myo Soe, http://yehg.net, YGN Ethical Hacker Group, Myanmar.

  1. DISCLOSURE TIME-LINE

2011-06-19: notified vendor through email 2011-10-17: vendor released fixed version, 2011-10-17 2011-10-25: vulnerability disclosed

  1. REFERENCES

Original Advisory URL: http://core.yehg.net/lab/pr0js/advisories/%5Bzftpserver_2011-04-13%5D_stat,cwd_dos zFTP Server Home Page: http://zftpserver.com

yehg [2011-10-25]