1. 修复的CVE信息
CVE-2020-19143
Silicon Graphics LibTIFF是美国Silicon Graphics公司的一个读写TIFF（标签图像文件格式）文件的库。该库包含一些处理TIFF文件的命令行工具。LibTiff 中存在安全漏洞，该漏洞源于产品 libtiff/tif_dir.c 文件中的TIFFVGetField函数未能充分检查数据边界。攻击者可通过该漏洞导致拒绝服务。以下产品及版本受到影响：LibTiff v4.0.10 版本。
2. 影响的操作系统
银河和记官网登录桌面操作系统V10 SP1
3. 修复版本
软件包：tiff
4.1.0+git191117-2kylin0.20.04.2(V10 SP1)
4. 受影响的软件包
银河和记官网登录桌面操作系统V10 SP1
libtiff-dev
libtiff-doc
libtiff-opengl
libtiff-tools
libtiff5
libtiff5-dev
libtiffxx5
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:https://archive.cq-jq.com/kylin/KYLIN-ALL 4.0.2sp1-desktop main restricted universe multiverse
4.0.2-sp2:https://archive.cq-jq.com/kylin/KYLIN-ALL 4.0.2sp2-desktop main restricted universe multiverse
4.0.2-sp3:https://archive.cq-jq.com/kylin/KYLIN-ALL 4.0.2sp3-desktop main restricted universe multiverse
4.0.2-sp4:https://archive.cq-jq.com/kylin/KYLIN-ALL 4.0.2sp4-desktop main restricted universe multiverse
10.0:https://archive.cq-jq.com/kylin/KYLIN-ALL 10.0 main restricted universe multiverse
10.0 SP1:https://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
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：
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-doc_4.1.0%2Bgit191117-2kylin0.20.04.2_all.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-opengl_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-tools_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiffxx5_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb
arm64软件包下载地址：
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-doc_4.1.0%2Bgit191117-2kylin0.20.04.2_all.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-opengl_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-tools_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiffxx5_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb
mips64el软件包下载地址：
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-doc_4.1.0%2Bgit191117-2kylin0.20.04.2_all.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-opengl_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-tools_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb
https://archive.cq-jq.com/kylin/KYLIN-ALL/pool/main/t/tiff/libtiffxx5_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb
