CVE:CVE-2020-13114
CNNVD:CNNVD-202005-1069
libexif是一个使用C语言编写的函数库。该产品主要用于从图形文件中读写EXIF元信息。
libexif 0.6.22之前版本中存在安全漏洞，该漏洞源于程序在处理Canon EXIF MakerNote数据时没有限制大小值。攻击者可利用该漏洞使程序消耗大量计算时间来解码EXIF数据，导致服务中断。
solution:Upgrade libexif_project libexif to a higher version than 0.6.22,and avoid the version (,0.6.22); Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,16.04,18.04,19.10,20.04,and avoid the version 12.04,14.04,16.04,18.04,19.10,20.04; Upgrade opensuse leap to a higher version than 15.1,and avoid the version 15.1