1. 修复的CVE信息

• CVE-2021-33515

  Dovecot是一款开源的基于类Linux/UNIX系统的IMAP和POP3邮件服务器。Dovecot 2.3.15 之前版本的提交服务存在命令注入漏洞，该漏洞允许攻击者在 lib-smtp 中注入 STARTTLS 命令，敏感信息可以重定向到攻击者控制的地址。
  
  

2. 受影响的软件包

• 银河麒麟桌面操作系统V10 SP1

  dovecot-auth-lua
  dovecot-core
  dovecot-dev
  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. 影响的操作系统

• 银河麒麟桌面操作系统V10 SP1
  
  

4. 修复版本

软件包：dovecot

1:2.3.7.2-1kylin3.4(V10 SP1)

5. 修复方法

方法一：配置源进行升级安装

打开软件包源配置文件，根据仓库地址进行修改。

4.0.2桌面版本：http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2-desktop main restricted universe multiverse

4.0.2-sp1桌面版本：http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp1-desktop main restricted universe multiverse

4.0.2-sp2桌面版本：http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp2-desktop main restricted universe multiverse

4.0.2-sp3桌面版本：http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp3-desktop main restricted universe multiverse

4.0.2-sp4桌面版本：http://archive.kylinos.cn/kylin/KYLIN-ALL 4.0.2sp4-desktop main restricted universe multiverse

10.0版本：http://archive.kylinos.cn/kylin/KYLIN-ALL 10.0 main restricted universe multiverse

10SP1版本：http://archive.kylinos.cn/kylin/KYLIN-ALL 10.1 main restricted universe multiverse

配置完成后执行更新命令进行升级。$sudo apt update

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组件包列表 升级相关的组件包。$dpkg -i Packagelists

6. 软件包下载地址

• 银河麒麟桌面操作系统V10 SP1

  X86下载地址：

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-pgsql_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-mysql_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-sieve_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-core_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-ldap_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-sqlite_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-dev_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-pop3d_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-imapd_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-managesieved_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-lucene_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/mail-stack-delivery_2.3.7.2-1kylin3.4_all.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-gssapi_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-solr_2.3.7.2-1kylin3.4_amd64.deb
  

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/d/dovecot/dovecot-lmtpd_2.3.7.2-1kylin3.4_amd64.deb