CVE-2018-10918

samba: DsCrackNames on a user without an SPN can trigger NULL-pointer de-reference

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Severity

Moderate

Red Hat Product Security

5.2

CVSS 3.0

Review impact separately from score.

Published · August 16, 2018

Updated · June 30, 2026

Description

A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An authenticated attacker could use this flaw to crash a samba server in an Active Diretory Domain Controller configuration.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.2
CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference