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CVE-2019-18930

Description

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.

POC

Reference

- https://github.com/DelspoN/CVE/tree/master/CVE-2019-18930

Github

- https://github.com/DelspoN/CVE