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Category:   Application (Generic)  >   Zlib Vendors:   filezilla.sourceforge.net
(FileZilla Issues Fix) Zlib Error Handling Bug in inflate() and inflateBack() Lets Remote Users Deny Service
SecurityTracker Alert ID:  1011090
SecurityTracker URL:  http://securitytracker.com/id/1011090
CVE Reference:   CVE-2004-0797   (Links to External Site)
Date:  Aug 30 2004
Impact:   Denial of service via local system, Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 0.9.3
Description:   A vulnerability was reported in zlib. A remote user can cause denial of service conditions. FileZilla is affected.

Johan Thelmen reported that a specially crafted file can cause a segmentation fault in zlib.

It is reported that the inflate() and inflateBack() functions do not properly handle errors.

Impact:   A user can create a file that when processed by zlib, will cause a segmentation fault. The specific impact depends on the application using zlib.
Solution:   FileZilla is affected by the zlib vulnerability. A fixed version (0.9.3) of FileZilla is available at:

sourceforge.net/forum/forum.php?forum_id=403139

Vendor URL:  sourceforge.net/forum/forum.php?forum_id=403139 (Links to External Site)
Cause:   Exception handling error
Underlying OS:  Windows (Any)

Message History:   This archive entry is a follow-up to the message listed below.
Aug 30 2004 Zlib Error Handling Bug in inflate() and inflateBack() Lets Remote Users Deny Service



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