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Category:   Application (File Transfer/Sharing)  >   Samba Vendors:   Samba.org
(Ubuntu Issues Fix) Samba SMB1 Use-After-Free Memory Error Lets Remote Users Execute Arbitrary Code on the Target System
SecurityTracker Alert ID:  1039861
SecurityTracker URL:  http://securitytracker.com/id/1039861
CVE Reference:   CVE-2017-14746   (Links to External Site)
Date:  Nov 21 2017
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.0.0 and after
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 SMB1 requests to trigger a use-after-free memory error and execute arbitrary code on the target system. The code will run with the privileges of the target service.

Yihan Lian and Zhibin Hu of Qihoo 360 GearTeam reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://www.ubuntu.com/usn/usn-3486-1

Vendor URL:  www.ubuntu.com/usn/usn-3486-1 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  14.04 LTS, 16.04 LTS, 17.04, 17.10

Message History:   This archive entry is a follow-up to the message listed below.
Nov 21 2017 Samba SMB1 Use-After-Free Memory Error Lets Remote Users Execute Arbitrary Code on the Target System



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