CVE-2018-1057

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).

References

MitigationVendor Advisory
Issue TrackingThird Party Advisory
Third Party Advisory
Third Party Advisory
Third Party AdvisoryVDB Entry
Third Party AdvisoryVDB Entry
Third Party Advisory
Third Party Advisory
Third Party Advisory
Mailing ListThird Party Advisory

CvssV3 impact

BaseSeverity

HIGH

ConfidentialityImpact

HIGH

AttackComplexity

LOW

Scope

UNCHANGED

AttackVector

NETWORK

AvailabilityImpact

HIGH

IntegrityImpact

HIGH

PrivilegesRequired

LOW

BaseScore

8.8

VectorString

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Version

3.1

UserInteraction

NONE

CvssV2 impact

Version

2.0

VectorString

AV:N/AC:L/Au:S/C:P/I:P/A:P

AccessVector

NETWORK

AccessComplexity

LOW

Authentication

SINGLE

ConfidentialityImpact

PARTIAL

IntegrityImpact

PARTIAL

AvailabilityImpact

PARTIAL

BaseScore

6.5