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Category:   Application (File Transfer/Sharing)  >   Samba Vendors:   Samba.org
Samba Buffer Overflow in nmbd send_mailslot() Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1019065
SecurityTracker URL:  http://securitytracker.com/id/1019065
CVE Reference:   CVE-2007-6015   (Links to External Site)
Date:  Dec 10 2007
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.0.0 - 3.0.27a
Description:   A vulnerability was reported in Samba. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted GETDC mailslot requests to trigger a buffer overflow in nmbd and execute arbitrary code on the target system. The code will run with the privileges of the target service.

The vulnerability resides in the send_mailslot() function.

The system is affected if the "domain logons" parameter is enabled in the 'smb.conf' configuration file.

The vendor was notified on November 22, 2007.

Alin Rad Pop of Secunia Research reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fixed version (3.0.28).

The Samba advisory is available at:

http://us1.samba.org/samba/security/CVE-2007-6015.html

Vendor URL:  us1.samba.org/samba/security/CVE-2007-6015.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Dec 10 2007 (Red Hat Issues Fix) Samba Buffer Overflow in nmbd send_mailslot() Lets Remote Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux Extended Update Support (4.5.z).
Dec 10 2007 (Red Hat Issues Fix) Samba Buffer Overflow in nmbd send_mailslot() Lets Remote Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 2.1, 3, 4, and 5.
Feb 12 2008 (Apple Issues Fix for OS X) Samba Buffer Overflow in nmbd send_mailslot() Lets Remote Users Execute Arbitrary Code
Apple has released a fix for Mac OS X.
Mar 11 2008 (HP Issues Fix) Samba Buffer Overflow in nmbd send_mailslot() Lets Remote Users Execute Arbitrary Code
HP has released a fix for HP CIFS Server on HP-UX.
Jun 2 2008 (Sun Issues Fix) Samba Buffer Overflow in nmbd send_mailslot() Lets Remote Users Execute Arbitrary Code
Sun has issued a fix for Solaris 10.
Jun 23 2008 (HP Issues Fix for HP-UX) Samba Buffer Overflow in nmbd send_mailslot() Lets Remote Users Execute Arbitrary Code
HP has issued a fix for HP-UX 11.11, 11.23, and 11.31.



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