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Category:   Application (File Transfer/Sharing)  >   Samba Vendors:   Samba.org
Samba 'mount.cifs' check_newline() Error Lets Local Users Deny Service
SecurityTracker Alert ID:  1025984
SecurityTracker URL:  http://securitytracker.com/id/1025984
CVE Reference:   CVE-2011-2724   (Links to External Site)
Date:  Aug 30 2011
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Linux CIFS Utils version 5.0
Description:   A vulnerability was reported in Samba cifs-utils. A local user can cause denial of service conditions.

The 'mount.cifs' check_newline() function does not properly process share or directory names that contain a newline character. A local user can send a specially crafted Common Internet File System (CIFS) share mount request to corrupt the mounted file systems table (mtab) file.

The vulnerability was due to an incomplete fix for CVE-2010-0547.

Impact:   A local user can cause the Samba service to crash.
Solution:   The vendor has issued a source code fix, available via GIT.
Vendor URL:  www.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.
Aug 30 2011 (Red Hat Issues Fix) Samba 'mount.cifs' check_newline() Error Lets Local Users Deny Service   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Aug 30 2011 (Red Hat Issues Fix) Samba 'mount.cifs' check_newline() Error Lets Local Users Deny Service   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



 Source Message Contents

Date:  Mon, 29 Aug 2011 20:11:47 +0000
Subject:  Samba CIFS


check_newline()

CVE-2011-2724
 
 


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