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Ubuntu Security Notice USN-4494-1
September 15, 2020

gupnp vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

gupnp could be made to expose sensitive information or perform network
attacks if it received specially crafted network traffic.

Software Description:
- gupnp: framework for creating UPnP devices and control points

Details:

It was discovered that GUPnP incorrectly handled certain subscription
requests. A remote attacker could possibly use this issue to exfiltrate
data or use GUPnP to perform DDoS attacks.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  libgupnp-1.2-0                  1.2.3-0ubuntu0.20.04.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://usn.ubuntu.com/4494-1
  CVE-2020-12695

Package Information:
  https://launchpad.net/ubuntu/+source/gupnp/1.2.3-0ubuntu0.20.04.1