Vulnerability CVE-2018-1057
Published: 2018-03-13

Description:
On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users' passwords, including administrative users and privileged service accounts (eg Domain Controllers).

See advisories in our WLB2 database:
Topic
Author
Date
High
Samba 4.x Password Change
Bjorn Baumbach
15.03.2018

Type:

CWE-732

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Samba -> Samba 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://www.securityfocus.com/bid/103382
http://www.securitytracker.com/id/1040494
https://bugzilla.redhat.com/show_bug.cgi?id=1553553
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html
https://security.gentoo.org/glsa/201805-07
https://security.netapp.com/advisory/ntap-20180313-0001/
https://usn.ubuntu.com/3595-1/
https://www.debian.org/security/2018/dsa-4135
https://www.samba.org/samba/security/CVE-2018-1057.html
https://www.synology.com/support/security/Synology_SA_18_08
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