1. 修复的CVE信息

• CVE-2021-20277

  描述：针对AD DC LDAP服务器的用户控制的LDAP筛选器字符串可能会使LDAP服务器崩溃。

• CVE-2020-27840

  描述：匿名攻击者可以通过发送轻松制作的DN作为绑定请求的一部分来使Samba AD DC LDAP服务器崩溃。更严重的堆损坏也可能发生。

2. 受影响的操作系统

• 银河和记官网登录桌面操作系统V4 SP1

• 银河和记官网登录桌面操作系统V4 SP2

• 银河和记官网登录桌面操作系统V4 SP3

• 银河和记官网登录桌面操作系统V4 SP4

• 银河和记官网登录桌面操作系统V10

• 银河和记官网登录桌面操作系统V10 SP1

• 银河和记官网登录服务器操作系统V4 SP1

• 银河和记官网登录服务器操作系统V4 SP2

• 银河和记官网登录服务器操作系统V4 SP3

• 银河和记官网登录服务器操作系统V4 SP4

3. 修复版本

软件包：ldb

libldb1-2:1.1.24-1kord3.2（V4、V10）

libldb2-2:2.0.10-0kylin0.20.04.3（V10 SP1）

4. 受影响的软件包

• 银河和记官网登录桌面操作系统V4桌面版

ldb-tools

libldb-dev

libldb1-dbg

libldb1

python-ldb-dbg

python-ldb-dev

python-ldb

python3-ldb-dbg

python3-ldb-dev

python3-ldb

• 银河和记官网登录桌面操作系统V10桌面版

ldb-tools

libldb-dev

libldb1-dbg

libldb1

python-ldb-dbg

python-ldb-dev

python-ldb

python3-ldb-dbg

python3-ldb-dev

python3-ldb

• 银河和记官网登录桌面操作系统V10 SP1

ldb-tools

libldb-dev

libldb2

python3-ldb-dev

python3-ldb

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-sp1: http://archive.cq-jq.com/kylin/KYLIN-ALL 4.0.2sp1-desktop main restricted universe multiverse

4.0.2-sp2: http://archive.cq-jq.com/kylin/KYLIN-ALL 4.0.2sp2-desktop main restricted universe multiverse

4.0.2-sp3: http://archive.cq-jq.com/kylin/KYLIN-ALL 4.0.2sp3-desktop main restricted universe multiverse

4.0.2-sp4: http://archive.cq-jq.com/kylin/KYLIN-ALL 4.0.2sp4-desktop main restricted universe multiverse

10.0: http://archive.cq-jq.com/kylin/KYLIN-ALL 10.0 main restricted universe multiverse

10.0 SP1: http://archive.cq-jq.com/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

• 和记官网登录操作系统V10桌面版、V4

  X86_64软件包下载地址：

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/ldb-tools_1.1.24-1kord3.2_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb-dev_1.1.24-1kord3.2_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb1-dbg_1.1.24-1kord3.2_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb1_1.1.24-1kord3.2_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python-ldb-dbg_1.1.24-1kord3.2_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python-ldb-dev_1.1.24-1kord3.2_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python-ldb_1.1.24-1kord3.2_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb-dbg_1.1.24-1kord3.2_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb-dev_1.1.24-1kord3.2_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb_1.1.24-1kord3.2_amd64.deb

  arm64软件包下载地址：

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/ldb-tools_1.1.24-1kord3.2_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb-dev_1.1.24-1kord3.2_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb1-dbg_1.1.24-1kord3.2_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb1_1.1.24-1kord3.2_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python-ldb-dbg_1.1.24-1kord3.2_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python-ldb-dev_1.1.24-1kord3.2_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python-ldb_1.1.24-1kord3.2_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb-dbg_1.1.24-1kord3.2_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb-dev_1.1.24-1kord3.2_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb_1.1.24-1kord3.2_arm64.deb

• 银河和记官网登录桌面操作系统V10 SP1

  X86_64软件包下载地址：

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/ldb-tools_2.0.10-0kylin0.20.04.3_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb-dev_2.0.10-0kylin0.20.04.3_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb2_2.0.10-0kylin0.20.04.3_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb-dev_2.0.10-0kylin0.20.04.3_amd64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb_2.0.10-0kylin0.20.04.3_amd64.deb

  arm64软件包下载地址：

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/ldb-tools_2.0.10-0kylin0.20.04.3_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb-dev_2.0.10-0kylin0.20.04.3_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb2_2.0.10-0kylin0.20.04.3_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb-dev_2.0.10-0kylin0.20.04.3_arm64.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb_2.0.10-0kylin0.20.04.3_arm64.deb

  mips64el软件包下载地址：

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/ldb-tools_2.0.10-0kylin0.20.04.3_mips64el.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb-dev_2.0.10-0kylin0.20.04.3_mips64el.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/libldb2_2.0.10-0kylin0.20.04.3_mips64el.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb-dev_2.0.10-0kylin0.20.04.3_mips64el.deb

  http://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/l/ldb/python3-ldb_2.0.10-0kylin0.20.04.3_mips64el.deb