CVE-2019-12436

medium

Description

Samba 4.10.x before 4.10.5 has a NULL pointer dereference, leading to an AD DC LDAP server Denial of Service. This is related to an attacker using the paged search control. The attacker must have directory read access in order to attempt an exploit.

References

https://www.synology.com/security/advisory/Synology_SA_19_27

https://www.samba.org/samba/security/CVE-2019-12436.html

https://usn.ubuntu.com/4018-1/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/

http://www.securityfocus.com/bid/108823

Details

Source: Mitre, NVD

Published: 2019-06-19

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium