1.修复的CVE ·CVE-2019-11756 描述：Mozilla Network Security Services（NSS）是美国Mozilla基金会的一个函数库（网络安全服务库）。该产品可跨平台提供SSL、S/MIME和其他Internet安全标准支持。 Mozilla NSS中存在资源管理错误漏洞。攻击者可利用该漏洞造成拒绝服务并可能运行代码。 ·CVE-2019-17006 描述：NSS是美国Mozilla基金会的一个底层密码学库。该库支持多种加密算法，并且 Firefox 浏览器的TLS实现基于该库。该漏洞源于网络系统或产品未充分验证数据的来源或真实性。攻击者可利用伪造的数据进行攻击。 ·CVE-2020-12403 描述：Mozilla Network Security Services（NSS）是美国Mozilla基金会的一个函数库（网络安全服务库）。该产品可跨平台提供SSL、S/MIME和其他Internet安全标准支持。Mozilla Network Security Services 3.55之前版本中存在缓冲区错误漏洞。攻击者可利用该漏洞获取敏感信息。 2.受影响的软件包 ·银河麒麟高级服务器操作系统（兼容版） V10 ·aarch64架构: 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架构: 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.软件包修复版本 ·银河麒麟高级服务器操作系统（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.修复方法 方法一：配置源进行升级安装 1.打开软件包源配置文件，根据仓库地址进行修改。 仓库源地址： 银河麒麟高级服务器操作系统（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.配置完成后执行更新命令进行升级，命令如下： yum update Packagename 方法二：下载安装包进行升级安装 通过软件包地址下载软件包，使用软件包升级命令根据受影响的软件包 列表进行升级安装, 命令如下： yum install Packagename 3.升级完成后是否需要重启服务或操作系统： CVE-2019-11756:无需重启操作系统与服务即可使漏洞修复生效。 CVE-2019-17006:无需重启操作系统与服务即可使漏洞修复生效。 CVE-2020-12403:无需重启操作系统与服务即可使漏洞修复生效。 5.软件包下载地址 ·银河麒麟高级服务器操作系统（兼容版） V10 nss(aarch64)软件包下载地址: 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)软件包下载地址: 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 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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：其他相关依赖包请到相同目录下载 6.修复验证 使用软件包查询命令，查看相关软件包版本是否与修复版本一致，如果版本一致，则说明修复成功。 sudo rpm -qa | grep Packagename