1.修復的CVE ·CVE-2019-11756 描述：Mozilla Network Security Services（NSS）是美國Mozilla基金會的一個函數庫（網絡安全服務庫）。該產品可跨平臺提供SSL、S/MIME和其他Internet安全標準支持。 Mozilla NSS中存在資源管理錯誤漏洞。攻擊者可利用該漏洞造成拒絕服務并可能運行代碼。 ·CVE-2019-17006 描述：NSS是美國Mozilla基金會的一個底層密碼學庫。該庫支持多種加密算法，并且 Firefox 瀏覽器的TLS實現基于該庫。該漏洞源于網絡系統或產品未充分驗證數據的來源或真實性。攻擊者可利用偽造的數據進行攻擊。 ·CVE-2020-12403 描述：Mozilla Network Security Services（NSS）是美國Mozilla基金會的一個函數庫（網絡安全服務庫）。該產品可跨平臺提供SSL、S/MIME和其他Internet安全標準支持。Mozilla Network Security Services 3.55之前版本中存在緩沖區錯誤漏洞。攻擊者可利用該漏洞獲取敏感信息。 2.受影響的軟件包 ·銀河麒麟高級服務器操作系統（兼容版） V10 ·aarch64架構: nss、nss-devel、nss-pkcs11-devel、nss-softokn、nss-softokn-devel、nss-softokn-freebl、nss-softokn-freebl-devel、nss-sysinit、nss-tools、nss-util、nss-util-devel ·x86_64架構: nss、nss-devel、nss-pkcs11-devel、nss-softokn、nss-softokn-devel、nss-softokn-freebl、nss-softokn-freebl-devel、nss-sysinit、nss-tools、nss-util、nss-util-devel 3.軟件包修復版本 ·銀河麒麟高級服務器操作系統（兼容版） V10 (aarch64、x86_64) nss-3.53.1-17.el8.ks8.01或以上版本 nss-devel-3.53.1-17.el8.ks8.01或以上版本 nss-pkcs11-devel-3.53.1-17.el8.ks8.01或以上版本 nss-softokn-3.53.1-17.el8.ks8.01或以上版本 nss-softokn-devel-3.53.1-17.el8.ks8.01或以上版本 nss-softokn-freebl-3.53.1-17.el8.ks8.01或以上版本 nss-softokn-freebl-devel-3.53.1-17.el8.ks8.01或以上版本 nss-sysinit-3.53.1-17.el8.ks8.01或以上版本 nss-tools-3.53.1-17.el8.ks8.01或以上版本 nss-util-3.53.1-17.el8.ks8.01或以上版本 nss-util-devel-3.53.1-17.el8.ks8.01或以上版本 4.修復方法 方法一：配置源進行升級安裝 1.打開軟件包源配置文件，根據倉庫地址進行修改。 倉庫源地址： 銀河麒麟高級服務器操作系統（兼容版） V10 aarch64:https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/ 2.配置完成后執行更新命令進行升級，命令如下： yum update Packagename 方法二：下載安裝包進行升級安裝 通過軟件包地址下載軟件包，使用軟件包升級命令根據受影響的軟件包 列表進行升級安裝, 命令如下： yum install Packagename 3.升級完成后是否需要重啟服務或操作系統： CVE-2019-11756:無需重啟操作系統與服務即可使漏洞修復生效。 CVE-2019-17006:無需重啟操作系統與服務即可使漏洞修復生效。 CVE-2020-12403:無需重啟操作系統與服務即可使漏洞修復生效。 5.軟件包下載地址 ·銀河麒麟高級服務器操作系統（兼容版） V10 nss(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-pkcs11-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-pkcs11-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-pkcs11-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-softokn-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-softokn-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-softokn-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-softokn-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-softokn-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-softokn-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-softokn-freebl-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-softokn-freebl-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-softokn-freebl-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-softokn-freebl-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-softokn-freebl-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-softokn-freebl-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-sysinit-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-sysinit-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-sysinit-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-tools-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-tools-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-tools-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-util-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-util-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-util-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/nss-util-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/nss-util-devel-3.53.1-17.el8.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/nss-util-devel-3.53.1-17.el8.ks8.01.aarch64.rpm nss(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/nss-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/nss-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/nss-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/nss-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-devel-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/nss-devel-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/nss-devel-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-devel-3.53.1-17.el8.ks8.01.x86_64.rpm 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https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-sysinit-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/nss-sysinit-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/nss-sysinit-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-tools-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/nss-tools-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/nss-tools-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-tools-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/nss-tools-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/nss-tools-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-util-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/nss-util-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/nss-util-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-util-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/nss-util-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/nss-util-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-util-devel-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/nss-util-devel-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/nss-util-devel-3.53.1-17.el8.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/nss-util-devel-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/nss-util-devel-3.53.1-17.el8.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/nss-util-devel-3.53.1-17.el8.ks8.01.x86_64.rpm 注：其他相關依賴包請到相同目錄下載 6.修復驗證 使用軟件包查詢命令，查看相關軟件包版本是否與修復版本一致，如果版本一致，則說明修復成功。 sudo rpm -qa | grep Packagename