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Category:   Application (File Transfer/Sharing)  >   Samba Vendors:   Samba.org
Samba Active Directory Domain Controller LDAP Permissions Error Lets Remote Authenticated Users Modify User Passwords on the Target System
SecurityTracker Alert ID:  1040494
SecurityTracker URL:  http://securitytracker.com/id/1040494
CVE Reference:   CVE-2018-1057   (Links to External Site)
Date:  Mar 13 2018
Impact:   Modification of authentication information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.0.0 and after
Description:   A vulnerability was reported in Samba. A remote authenticated user can modify user passwords on the target system.

On an Active Directory (AD) domain controller (DC), the LDAP server does not properly validate permissions when modifying passwords via LDAP. A remote authenticated user on can change the passwords of other users, including administrative users and service accounts, on the target system.

Bjorn Baumbach from SerNet reported this vulnerability.

Impact:   A remote authenticated user on can change the passwords of other users, including administrative users and service accounts, on the target system.
Solution:   The vendor has issued a fix (4.5.16, 4.6.14, 4.7.6).

The vendor advisory is available at:

https://www.samba.org/samba/security/CVE-2018-1057.html

Vendor URL:  www.samba.org/samba/security/CVE-2018-1057.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.
Mar 13 2018 (Ubuntu Issues Fix) Samba Active Directory Domain Controller LDAP Permissions Error Lets Remote Authenticated Users Modify User Passwords on the Target System
Ubuntu has issued a fix for Ubuntu Linux 14.04 LTS, 16.04 LTS, and 17.10.



 Source Message Contents

Subject:  https://www.samba.org/samba/security/CVE-2018-1057.html

 
 


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