Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 4.9.0, < 4.9.3 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/106024Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16852Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/202003-52
- https://security.netapp.com/advisory/ntap-20181127-0001/Third Party Advisory
- https://www.samba.org/samba/security/CVE-2018-16852.htmlPatchVendor Advisory
- http://www.securityfocus.com/bid/106024Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16852Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/202003-52
- https://security.netapp.com/advisory/ntap-20181127-0001/Third Party Advisory
- https://www.samba.org/samba/security/CVE-2018-16852.htmlPatchVendor Advisory
FAQ
What is CVE-2018-16852?
CVE-2018-16852 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 th...
How severe is CVE-2018-16852?
CVE-2018-16852 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-16852?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba.