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Category:   Application (Generic)  >   wget Vendors:   GNU [multiple authors]
wget FTP SYST Response Buffer Overflow Lets Remote Users Deny Service
SecurityTracker Alert ID:  1017516
SecurityTracker URL:
CVE Reference:   CVE-2006-6719   (Links to External Site)
Date:  Jan 16 2007
Impact:   Denial of service via network
Exploit Included:  Yes  
Version(s): 1.10.2
Description:   A vulnerability was reported in wget. A remote user can cause denial of service conditions.

A remote FTP server can send specially crafted (blank) 220 responses to a SYST command from the target application to cause the target application to crash.

The vulnerability resides in the ftp_syst() function in 'ftp-basic.c'.

A demonstration exploit is available at:

Federico L. Bossi Bonin reported this vulnerability.

Impact:   A remote server can cause denial of service conditions.
Solution:   No solution was available at the time of this entry.
Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.

 Source Message Contents

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