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云安全日报210816:红帽系统安全服务守护程序发现命令注入漏洞,需要尽快升级
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简介谷歌霸屏24小时见效-实现思路【tg:seogoogle987】
SSSD是红帽系统安全服务守护程序。 SSSD服务提供一组守护程序来管理对远程目录和身份验证机制的访问。它还为系统提供名称服务交换机 (NSS) 和可插拔身份验证模块 (PAM) 接口,以及一个可插拔后端系统以连接到多个不同的帐户源。8月16日,RedHat发布了安全更新,修云安复了红帽系统安全服务守护程序(SSSD)中发现的命令注入漏洞。以下是漏洞详情:
漏洞详情
来源:https://access.redhat.com/errata/RHSA-2021:3151
CVE-2021-3621 CVSS评分:6.7 严重程度:高
在 SSSD 中发现了一个漏洞,其中全日sssctl命令容易受到通过logs-fetch和cache-expire子命令的shell命令注入。此漏洞允许攻击者诱使 root 用户运行特制的 sssctl 命令,例如通过 sudo,以获得 root 访问权限。此漏洞的最大威胁是机密性、完整性和系统可用性。
受影响产品和版本
R报2ed Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
Red Hat Enterprise Linux Server - AUS 8.4 x86_64
Red Hat Enterprise Linux for IBM z System10s 8 s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
Red Hat Enterpri81se Linux for Power, little endian - Extended Update Support 8.4 ppc64le
Red Hat Virtualization Host 4 for RHEL 8 x86_64
Red Hat Enterprise Linux for x86_64 8 x86_64
R6:ed Hat Enterprise Linux Server - TUS 8.4 x86_64
Red Hat Enterprise Linux for ARM 64 8 aarch64
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for S红帽AP Solutions 8.4 ppc64le
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.4 x86_64
Red Hat CodeReady Linux Builder for x86_64 8 x86_64
Red H系统at CodeReady Linux Builder for Power, little endian 8 ppc64le
Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
Red Hat CodeReady Linux Builder for IBM z Syste安全ms 8 s390x
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.4 x86_6服务4
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.4 ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Up守护date Support 8.4 s390x
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.4 aarch64
解决方案
SSSD的安全更新现在可用于Red Hat Enterprise Linux 8,有关如何应用此更新程序的详细信息,请参阅:
https://access.redhat.com/articles/11258
查看更多漏洞信息 以及升级请访问官网:
https://access.redhat.com/security/security-updates/#/security-advisor发现ies
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