1. 修复的CVE信息

• CVE-2021-20305

  Slackware是Patrick Volkerding个人开发者的一套开源的GNU/Linux操作系统。Slackware 中存在加密问题漏洞。该漏洞源于网络系统或产品未正确使用相关密码算法，导致内容未正确加密、弱加密、明文存储敏感信息等。

2. 受影响的软件包

• 银河麒麟桌面操作系统V4

  libhogweed4

  libnettle6

  nettle-bin

  nettle-dbg

  nettle-dev

• 银河麒麟桌面操作系统V10

  libhogweed4

  libnettle6

  nettle-bin

  nettle-dbg

  nettle-dev

• 银河麒麟桌面操作系统V10专业版

  libhogweed5

  libnettle7

  nettle-bin

  nettle-dev

3. 影响的操作系统

• 银河麒麟桌面操作系统V10

• 银河麒麟桌面操作系统V10 SP1

• 银河麒麟桌面操作系统V4

• 银河麒麟桌面操作系统V4 SP3

• 银河麒麟桌面操作系统V4 SP2

• 银河麒麟桌面操作系统V4 SP1

• 银河麒麟桌面操作系统V4 SP4
  
  

4. 修复版本

• 软件包：nettle

  3.2-1kord0.16.04.2(V4,V10)

  3.5.1+really3.5.1-2kylin0.1(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专业版本：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/n/nettle/libnettle7_3.5.1+really3.5.1-2kylin0.2_amd64.deb
  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/n/nettle/nettle-bin_3.5.1+really3.5.1-2kylin0.2_amd64.deb
  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/n/nettle/libhogweed5_3.5.1+really3.5.1-2kylin0.2_amd64.deb

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/n/nettle/nettle-dev_3.5.1+really3.5.1-2kylin0.2_amd64.deb

• 银河麒麟桌面操作系统V4及V10

  X86下载地址:

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/n/nettle/nettle-bin_3.2-1kord0.16.04.2_amd64.deb
  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/n/nettle/libnettle6_3.2-1kord0.16.04.2_amd64.deb

  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/n/nettle/nettle-dev_3.2-1kord0.16.04.2_amd64.deb
  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/n/nettle/libhogweed4_3.2-1kord0.16.04.2_amd64.deb
  http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/n/nettle/nettle-dbg_3.2-1kord0.16.04.2_amd64.deb