CVE-2018-10919 Information disclosure in samba

Medium 4.3 Published 22 Aug 2018 Updated 5 Aug 2024

An authenticated attacker can extract confidential attribute values from the Samba Active Directory LDAP server due to missing access control checks.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2018-10919?

CVE-2018-10919 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 22 Aug 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Samba Active Directory LDAP server was vulnerable to an information disclosure flaw because of missing access control checks. An authenticated attacker could use this flaw to extract confidential attribute values using LDAP search expressions. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are vulnerable.

Weakness: CWE-200, CWE-203

Which versions are affected by CVE-2018-10919?

It affects 3 products.

Linux distribution packages (6)

`samba` SUSE:Enterprise Storage 5	All versions	`4.6.16+git.124.aee309c5c18-3.32.1`
`samba` SUSE:Linux Enterprise Desktop 12 SP3	All versions	`4.6.16+git.124.aee309c5c18-3.32.1`
`samba` SUSE:Linux Enterprise High Availability Extension 12 SP3	All versions	`4.6.16+git.124.aee309c5c18-3.32.1`
`samba` SUSE:Linux Enterprise Server 12 SP3	All versions	`4.6.16+git.124.aee309c5c18-3.32.1`
`samba` SUSE:Linux Enterprise Server for SAP Applications 12 SP3	All versions	`4.6.16+git.124.aee309c5c18-3.32.1`
`samba` SUSE:Linux Enterprise Software Development Kit 12 SP3	All versions	`4.6.16+git.124.aee309c5c18-3.32.1`

Products include Canonical Ubuntu Linux, Debian Debian Linux, Samba Samba.

How do I fix CVE-2018-10919?

Upgrade to a fixed version.

Is CVE-2018-10919 being exploited?

There is no known exploitation of CVE-2018-10919 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2018-10919, DEBIAN-CVE-2018-10919, ECHO-9966-da92-510a, GHSA-2h4c-mfg2-2f7f, SUSE-SU-2018:3161-1, UBUNTU-CVE-2018-10919.