1.修復的CVE ·CVE-2018-15473 描述：OpenSSH（OpenBSD Secure Shell）是OpenBSD計劃組的一套用于安全訪問遠程計算機的連接工具。該工具是SSH協議的開源實現，支持對所有的傳輸進行加密，可有效阻止竊聽、連接劫持以及其他網絡級的攻擊。 OpenSSH 7.7及之前版本中存在競爭條件問題漏洞。該漏洞源于網絡系統或產品在運行過程中，并發代碼需要互斥地訪問共享資源時，對于并發訪問的處理不當。 2.受影響的軟件包 ·中標麒麟高級服務器操作系統 V7 ·aarch64架構: openssh、openssh-askpass、openssh-cavs、openssh-clients、openssh-keycat、openssh-ldap、openssh-server、openssh-server-sysvinit、pam_ssh_agent_auth ·x86_64架構: openssh、openssh-askpass、openssh-cavs、openssh-clients、openssh-keycat、openssh-ldap、openssh-server、openssh-server-sysvinit、pam_ssh_agent_auth 3.軟件包修復版本 ·中標麒麟高級服務器操作系統 V7 (aarch64、x86_64) openssh-7.4p1-21.el7.ns7.01或以上版本 openssh-askpass-7.4p1-21.el7.ns7.01或以上版本 openssh-cavs-7.4p1-21.el7.ns7.01或以上版本 openssh-clients-7.4p1-21.el7.ns7.01或以上版本 openssh-keycat-7.4p1-21.el7.ns7.01或以上版本 openssh-ldap-7.4p1-21.el7.ns7.01或以上版本 openssh-server-7.4p1-21.el7.ns7.01或以上版本 openssh-server-sysvinit-7.4p1-21.el7.ns7.01或以上版本 pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01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： 中標麒麟高級服務器操作系統 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-2018-15473:需要重啟 openssh 以使漏洞修復生效。 5.軟件包下載地址 ·中標麒麟高級服務器操作系統 V7 openssh(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-server-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-server-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-server-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-server-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.aarch64.rpm openssh(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-server-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-server-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-server-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-server-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-server-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.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