CVE Vulnerability

CVE-2019-18930

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.

9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/DelspoN/CVE/tree/master/CVE-2019-18930 Exploit Third Party Advisory
https://github.com/DelspoN/CVE/blob/master/CVE-2019-18930/description.txt Third Party Advisory
Configurations

Configuration 1
Information

Published : 2019-11-13 04:15

Updated : 2019-11-15 08:08

NVD link : CVE-2019-18930

Mitre link : CVE-2019-18930

Products Affected

My Cloud Ex2 Ultra Firmware

Western Digital

CWE
CWE-787