1. 修復的CVE信息

• CVE-2020-19143

  Silicon Graphics LibTIFF是美國Silicon Graphics公司的一個讀寫TIFF（標簽圖像文件格式）文件的庫。該庫包含一些處理TIFF文件的命令行工具。LibTiff 中存在安全漏洞，該漏洞源于產品 libtiff/tif_dir.c 文件中的TIFFVGetField函數未能充分檢查數據邊界。攻擊者可通過該漏洞導致拒絕服務。以下產品及版本受到影響：LibTiff v4.0.10 版本。

2. 影響的操作系統

銀河麒麟桌面操作系統V10 SP1

3. 修復版本

軟件包：tiff

4.1.0+git191117-2kylin0.20.04.2(V10 SP1)

4. 受影響的軟件包

• 銀河麒麟桌面操作系統V10 SP1

libtiff-dev

libtiff-doc

libtiff-opengl

libtiff-tools

libtiff5

libtiff5-dev

libtiffxx5

5. 修復方法

方法一：配置源進行升級安裝

打開軟件包源配置文件，根據倉庫地址進行修改。

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

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

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

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

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

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

配置完成后執行更新命令進行升級。$sudo apt update

方法二：下載安裝包進行升級安裝

通過軟件包地址下載軟件包，使用軟件包升級命令根據受影響的組件包列表 升級相關的組件包。$dpkg -i Packagelists

6. 軟件包下載地址

• 銀河麒麟桌面操作系統V10 SP1

  X86_64軟件包下載地址：

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-doc_4.1.0%2Bgit191117-2kylin0.20.04.2_all.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-opengl_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-tools_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiffxx5_4.1.0%2Bgit191117-2kylin0.20.04.2_amd64.deb

arm64軟件包下載地址：

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-doc_4.1.0%2Bgit191117-2kylin0.20.04.2_all.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-opengl_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-tools_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiffxx5_4.1.0%2Bgit191117-2kylin0.20.04.2_arm64.deb

mips64el軟件包下載地址：

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-doc_4.1.0%2Bgit191117-2kylin0.20.04.2_all.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-opengl_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff-tools_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5-dev_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiff5_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/tiff/libtiffxx5_4.1.0%2Bgit191117-2kylin0.20.04.2_mips64el.deb