1.修復(fù)的CVE ·CVE-2018-1116 描述：Polkit是軟件開發(fā)者David Zeuthen所研發(fā)的一款授權(quán)管理器。polkitd是其中的一個(gè)守護(hù)程序。Polkit 0.116之前版本中的polkitd的‘polkit_backend_interactive_authority_check_authorization?’函數(shù)的實(shí)現(xiàn)過程存在安全漏洞，該漏洞源于CheckAuthorization和RegisterAuthenticationAgent D-Bus的調(diào)用未能檢驗(yàn)客戶端提供的UID。本地攻擊者可借助特制的程序利用該漏洞造成拒絕服務(wù)并獲取信息。 ·CVE-2018-19788 描述：在PolicyKit中發(fā)現(xiàn)一個(gè)缺陷，該缺陷允許uid大于INT_MAX的用戶成功執(zhí)行任何systemctl命令。 2.受影響的軟件包 ·中標(biāo)麒麟高級(jí)服務(wù)器操作系統(tǒng) V7 ·aarch64架構(gòu): polkit、polkit-devel、polkit-docs ·x86_64架構(gòu): polkit、polkit-devel、polkit-docs 3.軟件包修復(fù)版本 ·中標(biāo)麒麟高級(jí)服務(wù)器操作系統(tǒng) V7 (aarch64、x86_64) polkit-0.112-26.el7或以上版本 polkit-devel-0.112-26.el7或以上版本 polkit-docs-0.112-26.el7或以上版本 4.修復(fù)方法 方法一：配置源進(jìn)行升級(jí)安裝 1.打開軟件包源配置文件，根據(jù)倉(cāng)庫(kù)地址進(jìn)行修改。 倉(cāng)庫(kù)源地址： 中標(biāo)麒麟高級(jí)服務(wù)器操作系統(tǒng) V7 aarch64:https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/ 2.配置完成后執(zhí)行更新命令進(jìn)行升級(jí)，命令如下： yum update Packagename 方法二：下載安裝包進(jìn)行升級(jí)安裝 通過軟件包地址下載軟件包，使用軟件包升級(jí)命令根據(jù)受影響的軟件包 列表進(jìn)行升級(jí)安裝, 命令如下： yum install Packagename 3.升級(jí)完成后是否需要重啟服務(wù)或操作系統(tǒng)： CVE-2018-1116:需要重啟 polkit 以使漏洞修復(fù)生效。 CVE-2018-19788:需要重啟 polkit 以使漏洞修復(fù)生效。 5.軟件包下載地址 ·中標(biāo)麒麟高級(jí)服務(wù)器操作系統(tǒng) V7 polkit(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/polkit-0.112-26.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/polkit-0.112-26.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/polkit-0.112-26.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/polkit-0.112-26.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/polkit-devel-0.112-26.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/polkit-devel-0.112-26.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/polkit-devel-0.112-26.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/polkit-devel-0.112-26.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/polkit-docs-0.112-26.el7.noarch.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/polkit-docs-0.112-26.el7.noarch.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/polkit-docs-0.112-26.el7.noarch.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/polkit-docs-0.112-26.el7.noarch.rpm polkit(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/polkit-0.112-26.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/polkit-0.112-26.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/polkit-0.112-26.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/polkit-0.112-26.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/polkit-0.112-26.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/polkit-0.112-26.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/polkit-0.112-26.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/polkit-0.112-26.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/polkit-devel-0.112-26.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/polkit-devel-0.112-26.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/polkit-devel-0.112-26.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/polkit-devel-0.112-26.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/polkit-devel-0.112-26.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/polkit-devel-0.112-26.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/polkit-devel-0.112-26.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/polkit-devel-0.112-26.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/polkit-docs-0.112-26.el7.noarch.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/polkit-docs-0.112-26.el7.noarch.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/polkit-docs-0.112-26.el7.noarch.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/polkit-docs-0.112-26.el7.noarch.rpm 注：其他相關(guān)依賴包請(qǐng)到相同目錄下載 6.修復(fù)驗(yàn)證 使用軟件包查詢命令，查看相關(guān)軟件包版本是否與修復(fù)版本一致，如果版本一致，則說明修復(fù)成功。 sudo rpm -qa | grep Packagename