CVE-2018-1057

high-risk

Published 2018-03-13

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).

Do I need to act?

7.7% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.8/10 High

NETWORK / LOW complexity

Affected Products (5)

Ubuntu Linux

Debian Linux

Samba

Affected Vendors

Debian Samba Canonical

References (20)

Third Party Advisory http://www.securityfocus.com/bid/103382

Third Party Advisory http://www.securitytracker.com/id/1040494

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1553553

Mailing List https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html

Third Party Advisory https://security.gentoo.org/glsa/201805-07

Third Party Advisory https://security.netapp.com/advisory/ntap-20180313-0001/

Third Party Advisory https://usn.ubuntu.com/3595-1/

Third Party Advisory https://www.debian.org/security/2018/dsa-4135

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

Third Party Advisory https://www.synology.com/support/security/Synology_SA_18_08