漏洞描述
An issue was discovered in FusionAuth before 1.11.0. An authenticated user, allowed to edit e-mail templates (Home -> Settings -> Email Templates) or themes (Home -> Settings -> Themes), can execute commands on the underlying operating system by abusing freemarker.template.utility.Execute in the Apache FreeMarker engine that processes custom templates.
影响产品
修复建议
建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。
参考链接
fusionauth.iohttps://fusionauth.io/docs/v1/tech/release-notes↗lab.mediaservice.nethttps://lab.mediaservice.net/advisory/2020-03-fusionauth.txt↗seclists.orghttps://seclists.org/bugtraq/2020/Jan/39↗packetstormsecurity.comhttp://packetstormsecurity.com/files/156102/FusionAuth-1.10-Remote-Command-Execution.html↗