CVE-2019-3824

Related Vulnerabilities: CVE-2019-3824  

Impact: Moderate Public Date: 2019-02-25 CWE: CWE-125 Bugzilla: 1671845: CVE-2019-3824 samba: Out of bound read in ldb_wildcard_compare in Samba AD DC A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.

A flaw was found in the way an LDAP search expression could crash the shared LDAP server process of a samba AD DC. An authenticated user, having read permissions on the LDAP server, could use this flaw to cause denial of service.

Find out more about CVE-2019-3824 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

The versions of samba packages shipped with Red Hat Enterprise Linux 5, 6, and 7 do not support Active Directory Domain Controller mode, therefore are not affected by this flaw.
This issue did not affect the version of samba as shipped with 'Red Hat Gluster Storage 3' as they did not include support for Active Directory Domain Controller.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 6.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Gluster Storage 3 samba Not affected
Red Hat Enterprise Linux 7 libldb Not affected
Red Hat Enterprise Linux 6 libldb Not affected
Red Hat Enterprise Linux 5 libldb Not affected

Acknowledgements

Red Hat would like to thank the Samba project for reporting this issue.

External References