Vulnerabilities > CVE-2019-18930 - Out-of-bounds Write vulnerability in Western Digital MY Cloud EX2 Ultra Firmware 2.31.183

047910
CVSS 8.8 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
western-digital
CWE-787

Summary

Western Digital My Cloud EX2 Ultra firmware 2.31.183 allows web users (including guest account) to remotely execute arbitrary code via a stack-based buffer overflow. There is no size verification logic in one of functions in libscheddl.so, and download_mgr.cgi makes it possible to enter large-sized f_idx inputs.

Common Weakness Enumeration (CWE)