公告ID(KYSA-202110-1061)
公告ID:KYSA-202110-1061
公告摘要:openssh安全漏洞
等级:Moderate
发布日期:2021-10-22
详细介绍
1.修复的CVE
·CVE-2021-41617
描述:OpenSSH(OpenBSD Secure Shell)是Openbsd计划组的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现,支持对所有的传输进行加密,可有效阻止窃听、连接劫持以及其他网络级的攻击。OpenSSH存在安全漏洞。该漏洞源于允许权限提升,因为补充组未按预期初始化。
2.受影响的软件包
·银河麒麟高级服务器操作系统 V10 SP1
·aarch64架构:
openssh、openssh-askpass、openssh-cavs、openssh-clients、openssh-help、openssh-keycat、openssh-ldap、openssh-server、pam_ssh_agent_auth
·mips64el架构:
openssh、openssh-askpass、openssh-cavs、openssh-clients、openssh-help、openssh-keycat、openssh-ldap、openssh-server、pam_ssh_agent_auth
·x86_64架构:
openssh、openssh-askpass、openssh-cavs、openssh-clients、openssh-help、openssh-keycat、openssh-ldap、openssh-server、pam_ssh_agent_auth
·银河麒麟高级服务器操作系统 V10 SP2
·aarch64架构:
openssh、openssh-askpass、openssh-cavs、openssh-clients、openssh-help、openssh-keycat、openssh-ldap、openssh-server、pam_ssh_agent_auth
·x86_64架构:
openssh、openssh-askpass、openssh-cavs、openssh-clients、openssh-help、openssh-keycat、openssh-ldap、openssh-server、pam_ssh_agent_auth
3.软件包修复版本
·银河麒麟高级服务器操作系统 V10 SP1 (aarch64、mips64el、x86_64)
openssh-8.2p1-9.p08.ky10或以上版本
openssh-askpass-8.2p1-9.p08.ky10或以上版本
openssh-cavs-8.2p1-9.p08.ky10或以上版本
openssh-clients-8.2p1-9.p08.ky10或以上版本
openssh-help-8.2p1-9.p08.ky10或以上版本
openssh-keycat-8.2p1-9.p08.ky10或以上版本
openssh-ldap-8.2p1-9.p08.ky10或以上版本
openssh-server-8.2p1-9.p08.ky10或以上版本
pam_ssh_agent_auth-0.10.3-9.9.p08.ky10或以上版本
·银河麒麟高级服务器操作系统 V10 SP2 (aarch64、x86_64)
openssh-8.2p1-9.p08.ky10或以上版本
openssh-askpass-8.2p1-9.p08.ky10或以上版本
openssh-cavs-8.2p1-9.p08.ky10或以上版本
openssh-clients-8.2p1-9.p08.ky10或以上版本
openssh-help-8.2p1-9.p08.ky10或以上版本
openssh-keycat-8.2p1-9.p08.ky10或以上版本
openssh-ldap-8.2p1-9.p08.ky10或以上版本
openssh-server-8.2p1-9.p08.ky10或以上版本
pam_ssh_agent_auth-0.10.3-9.9.p08.ky10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 V10 SP1
aarch64:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/
mips64el:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/
x86_64:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/
银河麒麟高级服务器操作系统 V10 SP2
aarch64:https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/
x86_64:https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/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-2021-41617:需要重启 openssh 以使漏洞修复生效。
5.软件包下载地址
·银河麒麟高级服务器操作系统 V10 SP1
openssh(aarch64)软件包下载地址:
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/openssh-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/openssh-askpass-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/openssh-cavs-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/openssh-clients-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/openssh-help-8.2p1-9.p08.ky10.noarch.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/openssh-keycat-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/openssh-ldap-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/openssh-server-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/pam_ssh_agent_auth-0.10.3-9.9.p08.ky10.aarch64.rpm
openssh(mips64el)软件包下载地址:
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/openssh-8.2p1-9.p08.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/openssh-askpass-8.2p1-9.p08.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/openssh-cavs-8.2p1-9.p08.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/openssh-clients-8.2p1-9.p08.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/openssh-help-8.2p1-9.p08.ky10.noarch.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/openssh-keycat-8.2p1-9.p08.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/openssh-ldap-8.2p1-9.p08.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/openssh-server-8.2p1-9.p08.ky10.mips64el.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/pam_ssh_agent_auth-0.10.3-9.9.p08.ky10.mips64el.rpm
openssh(x86_64)软件包下载地址:
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/openssh-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/openssh-askpass-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/openssh-cavs-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/openssh-clients-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/openssh-help-8.2p1-9.p08.ky10.noarch.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/openssh-keycat-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/openssh-ldap-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/openssh-server-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/pam_ssh_agent_auth-0.10.3-9.9.p08.ky10.x86_64.rpm
·银河麒麟高级服务器操作系统 V10 SP2
openssh(aarch64)软件包下载地址:
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/openssh-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/openssh-askpass-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/openssh-cavs-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/openssh-clients-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/openssh-help-8.2p1-9.p08.ky10.noarch.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/openssh-keycat-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/openssh-ldap-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/openssh-server-8.2p1-9.p08.ky10.aarch64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/pam_ssh_agent_auth-0.10.3-9.9.p08.ky10.aarch64.rpm
openssh(x86_64)软件包下载地址:
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/openssh-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/openssh-askpass-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/openssh-cavs-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/openssh-clients-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/openssh-help-8.2p1-9.p08.ky10.noarch.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/openssh-keycat-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/openssh-ldap-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/openssh-server-8.2p1-9.p08.ky10.x86_64.rpm
https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/pam_ssh_agent_auth-0.10.3-9.9.p08.ky10.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