CVE:CVE-2020-12767
CNNVD:CNNVD-202005-388
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 0.6.21版本中的exif-entry.c文件的exif_entry_get_value存在数字错误漏洞。该漏洞源于网络系统或产品未正确计算或转换所产生的数字。攻击者可利用该漏洞导致整数溢出或符号错误等。
solution:Upgrade libexif_project libexif to a higher version than 0.6.21,and avoid the version 0.6.21; 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 12.04,14.04,16.04,18.04,19.10,20.04,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