RHEL 8:samba (RHSA-2021: 1647)

critical Nessus 插件 ID 149679

简介

远程 Red Hat 主机缺少一个或多个安全更新。

描述

远程 Redhat Enterprise Linux 8 主机上安装的程序包受到 RHSA-2021: 1647 公告中提及的多个漏洞影响。

- samba:SMB1/2/3 ChangeNotify 中缺少句柄权限检查 (CVE-2020-14318)

- samba:非特权用户可造成 winbind 崩溃 (CVE-2020-14323)

- samba:Netlogon 权限提升漏洞 (Zerologon) (CVE-2020-1472)

请注意,Nessus 尚未测试这些问题,而是只依据应用程序自我报告的版本号进行判断。

解决方案

更新受影响的程序包。

另见

https://access.redhat.com/security/cve/CVE-2020-1472

https://access.redhat.com/security/cve/CVE-2020-14318

https://access.redhat.com/security/cve/CVE-2020-14323

https://access.redhat.com/errata/RHSA-2021:1647

https://bugzilla.redhat.com/1879822

https://bugzilla.redhat.com/1891685

https://bugzilla.redhat.com/1892631

插件详情

严重性: Critical

ID: 149679

文件名: redhat-RHSA-2021-1647.nasl

版本: 1.11

类型: local

代理: unix

发布时间: 2021/5/19

最近更新时间: 2022/9/22

支持的传感器: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent

风险信息

VPR

风险因素: Critical

分数: 10

CVSS v2

风险因素: High

基本分数: 9.3

时间分数: 8.1

矢量: AV:N/AC:M/Au:N/C:C/I:C/A:C

时间矢量: E:H/RL:OF/RC:C

CVSS 分数来源: CVE-2020-1472

CVSS v3

风险因素: Critical

基本分数: 10

时间分数: 9.5

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

时间矢量: E:H/RL:O/RC:C

漏洞信息

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.4, cpe:/o:redhat:rhel_tus:8.6, p-cpe:/a:redhat:enterprise_linux:ctdb, p-cpe:/a:redhat:enterprise_linux:ctdb-tests, p-cpe:/a:redhat:enterprise_linux:libsmbclient, p-cpe:/a:redhat:enterprise_linux:libsmbclient-devel, p-cpe:/a:redhat:enterprise_linux:libwbclient, p-cpe:/a:redhat:enterprise_linux:libwbclient-devel, p-cpe:/a:redhat:enterprise_linux:openchange, p-cpe:/a:redhat:enterprise_linux:python3-samba, p-cpe:/a:redhat:enterprise_linux:python3-samba-test, p-cpe:/a:redhat:enterprise_linux:samba, p-cpe:/a:redhat:enterprise_linux:samba-client, p-cpe:/a:redhat:enterprise_linux:samba-client-libs, p-cpe:/a:redhat:enterprise_linux:samba-common, p-cpe:/a:redhat:enterprise_linux:samba-common-libs, p-cpe:/a:redhat:enterprise_linux:samba-common-tools, p-cpe:/a:redhat:enterprise_linux:samba-devel, p-cpe:/a:redhat:enterprise_linux:samba-krb5-printing, p-cpe:/a:redhat:enterprise_linux:samba-libs, p-cpe:/a:redhat:enterprise_linux:samba-pidl, p-cpe:/a:redhat:enterprise_linux:samba-test, p-cpe:/a:redhat:enterprise_linux:samba-test-libs, p-cpe:/a:redhat:enterprise_linux:samba-winbind, p-cpe:/a:redhat:enterprise_linux:samba-winbind-clients, p-cpe:/a:redhat:enterprise_linux:samba-winbind-krb5-locator, p-cpe:/a:redhat:enterprise_linux:samba-winbind-modules, p-cpe:/a:redhat:enterprise_linux:samba-winexe

必需的 KB 项: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

可利用: true

易利用性: Exploits are available

补丁发布日期: 2021/5/18

漏洞发布日期: 2020/8/11

CISA 已知利用日期: 2020/9/21

参考资料信息

CVE: CVE-2020-1472, CVE-2020-14318, CVE-2020-14323

RHSA: 2021:1647

IAVA: 2020-A-0508-S, 2020-A-0438-S, 2020-A-0367-S

CISA-NCAS: AA22-011A

CWE: 170, 266, 287