注： 1. 本公告所涉及的漏洞修复信息知识产权全部归麒麟软件有限公司所有，此安全漏洞补丁公告仅适用于麒麟软件操作系统通用主线产品，定制、OEM等版本可根据需要联系售后获取支持。任何媒体、网站或个人转载使用时不得进行商业性的原版原式的转载，也不得歪曲和篡改所发布的内容。此声明以及其修改权、更新权及最终解释权均归本网所有。 2. 此安全漏洞补丁公告仅适用于银河麒麟桌面操作系统V10 SP1 2203版本，系统版本查询工具下载链接： https://security-oss.kylinos.cn/Desktop/libkysdk-sysinfo.zip 1. 漏洞概述 CVE-2022-30550 Dovecot是一款开源的基于类Linux/UNIX系统的IMAP和POP3邮件服务器。 Open-Xchange Dovecot 2.2版本存在授权问题漏洞，该漏洞源于当使用类似主控和非主控密码时，可能会出现权限提升。 2. 受影响的操作系统及软件包 ·银河麒麟桌面操作系统V10 SP1 2203 x86_64 架构： dovecot-auth-lua、dovecot-core、dovecot-gssapi、dovecot-imapd、dovecot-ldap、dovecot-lmtpd、dovecot-lucene、dovecot-managesieved、dovecot-mysql、dovecot-pgsql、dovecot-pop3d、dovecot-sieve、dovecot-solr、dovecot-sqlite、dovecot-submissiond、mail-stack-delivery arm64 架构： dovecot-auth-lua、dovecot-core、dovecot-gssapi、dovecot-imapd、dovecot-ldap、dovecot-lmtpd、dovecot-lucene、dovecot-managesieved、dovecot-mysql、dovecot-pgsql、dovecot-pop3d、dovecot-sieve、dovecot-solr、dovecot-sqlite、dovecot-submissiond、mail-stack-delivery mips64el 架构： dovecot-auth-lua、dovecot-core、dovecot-gssapi、dovecot-imapd、dovecot-ldap、dovecot-lmtpd、dovecot-lucene、dovecot-managesieved、dovecot-mysql、dovecot-pgsql、dovecot-pop3d、dovecot-sieve、dovecot-solr、dovecot-sqlite、dovecot-submissiond、mail-stack-delivery loongarch64 架构： dovecot-auth-lua、dovecot-core、dovecot-gssapi、dovecot-imapd、dovecot-ldap、dovecot-lmtpd、dovecot-lucene、dovecot-managesieved、dovecot-mysql、dovecot-pgsql、dovecot-pop3d、dovecot-sieve、dovecot-solr、dovecot-sqlite、dovecot-submissiond、mail-stack-delivery 3. 软件包修复版本 ·银河麒麟桌面操作系统V10 SP1 2203 1:2.3.7.2-1kylin3.6 4. 修复方法 方法一：升级安装 执行更新命令进行升级 $sudo apt update $sudo apt install dovecot-core 方法二：下载软件包进行升级安装 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升级相关的组件包。 $sudo dpkg -i /Path1/Package1 /Path2/Package2 /Path3/Package3…… 注：Path 指软件包下载到本地的路径，Package指下载的软件包名称，多个软件包则以空格分开。 5. 软件包下载地址 银河麒麟桌面操作系统V10 SP1 2203 x86_64软件包下载地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-auth-lua_2.3.7.2-1kylin3.6_amd64.deb 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