CVE-2018-16852

描述

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.

如何修補 CVE-2018-16852

要修補 CVE-2018-16852,請將受影響套件升級到下列已修補版本。

• —升級至 2:4.9.2+dfsg-2 或更新版本

CVE-2018-16852 正在被利用嗎?

低 — EPSS 為 2.2%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 2:4.9.2+dfsg-2

CVSS 分數

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2018-16852