漏洞描述
Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require authentication, which allows remote attackers to bypass authentication and (1) add an administrative account via crafted request to LocalAuth/setAccount.aspx or (2) write to and execute arbitrary files via a full pathname in the PathData parameter to ConfigTab/uploader.aspx.
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
www.zerodayinitiative.comhttp://www.zerodayinitiative.com/advisories/ZDI-15-449↗www.zerodayinitiative.comhttp://www.zerodayinitiative.com/advisories/ZDI-15-448↗packetstormsecurity.comhttp://packetstormsecurity.com/files/133782/Kaseya-Virtual-System-Administrator-Code-Execution-Privilege-Escalation.html↗helpdesk.kaseya.comhttps://helpdesk.kaseya.com/entries/96164487--Kaseya-Security-Advisory↗