CVE:CVE-2018-20431
CNNVD:CNNVD-201812-1081
GNU Libextractor是GNU计划开发的一套用于从文件中提取元数据的库。
GNU Libextractor 1.8及之前版本中的plugins/ole2_extractor.c文件的‘process_metadata()’函数存在空指针逆向引用漏洞。攻击者可利用该漏洞造成拒绝服务。
solution:Upgrade gnu libextractor to a higher version than 1.8,and avoid the version (,1.8]; Upgrade debian debian_linux to a higher version than 8.0,9.0,and avoid the version 8.0,9.0