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Category:   Application (Generic)  >   Rsync Vendors:   Samba.org
Rsync Checksum Mismatch Error Lets Remote Servers Execute Arbitrary Code
SecurityTracker Alert ID:  1025256
SecurityTracker URL:  http://securitytracker.com/id/1025256
CVE Reference:   CVE-2011-1097   (Links to External Site)
Date:  Mar 28 2011
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 3.0.8
Description:   A vulnerability was reported in Rsync. A remote user can execute arbitrary code on the target system.

A remote rsync server can return specially crafted data to the connected target client to trigger a memory corruption error and execute arbitrary code on the target client system. The code will run with the privileges of the target client user or application.

The vulnerability can be triggered when the rsync client uses the "--recursive" and
"--delete" options without the "--owner" option.

Wayne Davison and Matt McCutchen reported this vulnerability.

Impact:   A remote server can execute arbitrary code on the target client system.
Solution:   The vendor has issued a fix (3.0.8).

The vendor's advisory is available at:

http://rsync.samba.org/ftp/rsync/src/rsync-3.0.8-NEWS

Vendor URL:  rsync.samba.org/ (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.
Mar 28 2011 (Red Hat Issues Fix) Rsync Checksum Mismatch Error Lets Remote Servers Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



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