CVE:CVE-2019-7663
CNNVD:CNNVD-201902-188
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 4.0.10版本中的libtiff/tif_dirwrite.c文件的‘TIFFWriteDirectoryTagTransferfunction’函数存在缓冲区错误漏洞。远程攻击者可借助特制的tiff文件利用该漏洞造成拒绝服务。
solution:Upgrade libtiff libtiff to a higher version than 4.0.10,and avoid the version 4.0.10; Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,16.04,18.04,18.10,and avoid the version 12.04,14.04,16.04,18.04,18.10; Upgrade opensuse leap to a higher version than 15.0,and avoid the version 15.0