CVE-2018-16852
published 2018-11-28CVE-2018-16852: 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…
PriorityP420medium4.4CVSS 3.0
AVNACHPRHUINSUCNINAH
EPSS
2.23%
80.9th percentile
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.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | samba | < samba 2:4.9.2+dfsg-2 (bookworm) | samba 2:4.9.2+dfsg-2 (bookworm) |
| samba | samba | >= 0 < 2:4.9.2+dfsg-2 | 2:4.9.2+dfsg-2 |
| samba | samba | >= 0 < 2:4.9.2+dfsg-2 | 2:4.9.2+dfsg-2 |
| samba | samba | >= 0 < 2:4.9.2+dfsg-2 | 2:4.9.2+dfsg-2 |
| samba | samba | >= 0 < 2:4.9.2+dfsg-2 | 2:4.9.2+dfsg-2 |
| samba | samba | >= 4.9.0 < 4.9.3 | 4.9.3 |
CVSS provenance
nvdv3.04.4MEDIUMCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
nvdv2.03.5LOWAV:N/AC:M/Au:S/C:N/I:N/A:P
osv4.4MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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GHSA
GHSA-66rc-c89h-v5pc: Samba from version 4
ghsa_unreviewed·2022-05-13
CVE-2018-16852 [MEDIUM] CWE-476 GHSA-66rc-c89h-v5pc: Samba from version 4
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.
OSV
CVE-2018-16852: Samba from version 4
osv·2018-11-28·CVSS 4.4
CVE-2018-16852 [MEDIUM] CVE-2018-16852: Samba from version 4
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.
Red Hat
samba: NULL pointer de-reference in Samba AD DC DNS management server
vendor_redhat·2018-11-20·CVSS 6.5
CVE-2018-16852 [MEDIUM] CWE-476 samba: NULL pointer de-reference in Samba AD DC DNS management server
samba: NULL pointer de-reference in Samba AD DC DNS management server
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.
A null pointer dereference flaw was found in the Samba DNS Management server when used as an Active Directory Domain Controller. A remote attacker could use this flaw to cause a denial of service (application crash).
Statement: This flaw does not affec
Debian
CVE-2018-16852: samba - Samba from version 4.9.0 and before version 4.9.3 is vulnerable to a NULL pointe...
vendor_debian·2018·CVSS 6.5
CVE-2018-16852 [MEDIUM] CVE-2018-16852: samba - Samba from version 4.9.0 and before version 4.9.3 is vulnerable to a NULL pointe...
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.
Scope: local
bookworm: resolved (fixed in 2:4.9.2+dfsg-2)
bullseye: resolved (fixed in 2:4.9.2+dfsg-2)
forky: resolved (fixed in 2:4.9.2+dfsg-2)
sid: resolved (fixed in 2:4.9.2+dfsg-2)
trixie: resolved (fixed in 2:4.9.2+dfsg-2)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-16852 samba: NULL pointer de-reference in Samba AD DC DNS management server [fedora-29]
bugzilla·2018-11-28·CVSS 6.5
CVE-2018-16852 [MEDIUM] CVE-2018-16852 samba: NULL pointer de-reference in Samba AD DC DNS management server [fedora-29]
CVE-2018-16852 samba: NULL pointer de-reference in Samba AD DC DNS management server [fedora-29]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-29.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the following tem
Bugzilla
CVE-2018-16852 samba: NULL pointer de-reference in Samba AD DC DNS management server
bugzilla·2018-11-05·CVSS 6.5
CVE-2018-16852 [MEDIUM] CVE-2018-16852 samba: NULL pointer de-reference in Samba AD DC DNS management server
CVE-2018-16852 samba: NULL pointer de-reference in Samba AD DC DNS management server
A flaw was found in samba versions from 4.9.0. During the processing of an DNS zone in the DNS management DCE/RPC server, if the DSPROPERTY_ZONE_MASTER_SERVERS property or DSPROPERTY_ZONE_SCAVENGING_SERVERS property is set, the server will follow a NULL pointer and terminate. This could lead to a Denial of Service attack.
Discussion:
External Reference:
https://www.samba.org/samba/security/CVE-2018-16852.html
---
Acknowledgments:
Name: The Samba Team
Upstream: Fabrizio Faganello
---
Created samba tracking bugs for this issue:
Affects: fedora-29 [bug 1654092]
---
Statement:
This flaw does not affect the version of samba shipped with Red Hat Enterprise Linux because there is no support for samba
http://www.securityfocus.com/bid/106024https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16852https://security.gentoo.org/glsa/202003-52https://security.netapp.com/advisory/ntap-20181127-0001/https://www.samba.org/samba/security/CVE-2018-16852.htmlhttp://www.securityfocus.com/bid/106024https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16852https://security.gentoo.org/glsa/202003-52https://security.netapp.com/advisory/ntap-20181127-0001/https://www.samba.org/samba/security/CVE-2018-16852.html
2018-11-28
Published