CVE-2021-33516

High

Description

An issue was discovered in GUPnP before 1.0.7 and 1.1.x and 1.2.x before 1.2.5. It allows DNS rebinding. A remote web server can exploit this vulnerability to trick a victim's browser into triggering actions against local UPnP services implemented using this library. Depending on the affected service, this could be used for data exfiltration, data tempering, etc.

SeverityHigh
CVSS8.1
Exploit probability—
ProductGnome Gupnp
PublishedMay 24, 2021
First seenMay 24, 2021

How to fix

Update
  • gnome gupnp1.0.7, 1.2.5 or later

Affected products

ProductAffected versionsFixed in
gnome gupnpv < 1.0.7, 1.1.0 ≤ v < 1.2.51.0.7, 1.2.5

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