RHEL 7:samba (RHSA-2020: 5439)

medium Nessus 插件 ID 144423

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 7 主机上安装的程序包受到 RHSA-2020: 5439 公告提及的多个漏洞的影响。

- 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-2020:5439

https://bugzilla.redhat.com/1879822

https://bugzilla.redhat.com/1891685

https://bugzilla.redhat.com/1892631

插件详情

严重性: Medium

ID: 144423

文件名: redhat-RHSA-2020-5439.nasl

版本: 1.13

类型: local

代理: unix

发布时间: 2020/12/18

最近更新时间: 2024/2/1

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

风险信息

VPR

风险因素: High

分数: 7.5

CVSS v2

风险因素: High

基本分数: 9.3

时间分数: 8.1

矢量: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS 分数来源: CVE-2020-1472

CVSS v3

风险因素: Medium

基本分数: 5.5

时间分数: 5.3

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

时间矢量: CVSS:3.0/E:H/RL:O/RC:C

漏洞信息

CPE: cpe:/o:redhat:enterprise_linux:7, 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: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-dc, p-cpe:/a:redhat:enterprise_linux:samba-dc-libs, 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-python, p-cpe:/a:redhat:enterprise_linux:samba-python-test, p-cpe:/a:redhat:enterprise_linux:samba-test, p-cpe:/a:redhat:enterprise_linux:samba-test-libs, p-cpe:/a:redhat:enterprise_linux:samba-vfs-glusterfs, 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

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: 2020/12/15

漏洞发布日期: 2020/8/11

CISA 已知可遭利用的漏洞到期日期: 2020/9/21

参考资料信息

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

CWE: 170, 266, 287

CISA-NCAS: AA22-011A

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

RHSA: 2020:5439