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Category:   Application (File Transfer/Sharing)  >   LFTP Vendors:   Lukyanov, Alexander
LFTP Content-Disposition Header Processing Flaw Lets Remote Users Overwrite Files on the Target System
SecurityTracker Alert ID:  1024272
SecurityTracker URL:  http://securitytracker.com/id/1024272
CVE Reference:   CVE-2010-2251   (Links to External Site)
Date:  Aug 3 2010
Impact:   Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 4.0.6
Description:   A vulnerability was reported in LFTP. A remote user can write or overwrite files on the target user's system.

A remote server can supply a specially crafted HTTP Content-Disposition header value to cause the requested file to be written (or overwritten) to arbitrary locations on the target user's system.

Hank Leininger and Solar Designer reported this vulnerability.

The original advisory is available at:

http://www.ocert.org/advisories/ocert-2010-001.html

[Editor's note: The vulnerability was originally disclosed in May 2010.]

Impact:   A remote user can write or overwrite files on the target user's system.
Solution:   The vendor has issued a fix (4.0.6).

The vendor's advisory is available at:

http://lftp.yar.ru/news.html

Vendor URL:  lftp.yar.ru/news.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 3 2010 (Red Hat Issues Fix) LFTP Content-Disposition Header Processing Flaw Lets Remote Users Overwrite Files on the Target System
Red Hat has issued a fix for Red Hat Enterprise Linux 5.



 Source Message Contents



[Original Message Not Available for Viewing]


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