Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2018-16852

6.5 · MEDIUM

Samba from version 4.9.0 and before version 4.9.3 is vulnerable to a NULL pointer de-reference.

Published Nov 28, 2018CWE-476EPSS 2.23%

Overview

CVE-2018-16852 is a medium-severity vulnerability. It was published on November 28, 2018 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Samba from version 4.9.0 and before version 4.9.3 is vulnerable to a NULL pointer de-reference. During the processing of an DNS zone in the DNS management DCE/RPC server, the internal DNS server or the Samba DLZ plugin for BIND9, if the DSPROPERTY_ZONE_MASTER_SERVERS property or DSPROPERTY_ZONE_SCAVENGING_SERVERS property is set, the server will follow a NULL pointer and terminate. There is no further vulnerability associated with this issue, merely a denial of service.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/106024Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16852Refsecurity.gentoo.org/glsa/202003-52Refsecurity.netapp.com/advisory/ntap-20181127-0001/Refwww.samba.org/samba/security/CVE-2018-16852.htmlRefwww.securityfocus.com/bid/106024Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16852Refsecurity.gentoo.org/glsa/202003-52Refsecurity.netapp.com/advisory/ntap-20181127-0001/Refwww.samba.org/samba/security/CVE-2018-16852.html

How CyberStrike helps

Frequently asked questions

What is CVE-2018-16852?

CVE-2018-16852 is a medium-severity vulnerability. It was published on November 28, 2018 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2018-16852?

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-16852?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-16852?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-16852 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related MEDIUM CVEs from 2018

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999