Advisories

BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF

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severity
medium
date
Affecting
  • Model: XT, XD, HD, LS

  • Firmware / OS version: <= 8.2.26

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
Credit
LiquidWorm as Gjoko Krstic of Zero Science Lab
Description
BrightSign Digital Signage Diagnostic Web Server 8.2.26 and less contains an unauthenticated server-side request forgery vulnerability in the 'url' GET parameter of the Download Speed Test service. Attackers can specify external domains to bypass firewalls and perform network enumeration by forcing the application to make arbitrary HTTP requests to internal network hosts.

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