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Vulnerability of UPnP: information disclosure via SUBSCRIBE Delivery URL

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via SUBSCRIBE Delivery URL of UPnP, in order to obtain sensitive information.
Vulnerable software: Debian, Fedora, Ubuntu.
Severity of this announce: 2/4.
Creation date: 03/07/2020.
Références of this computer vulnerability: CallStranger, CVE-2020-12695, DLA-2315-1, DLA-2318-1, FEDORA-2020-1f7fc0d0c9, FEDORA-2020-df3e1cfde9, FEDORA-2020-e538e3e526, USN-4494-1, VIGILANCE-VUL-32701.

Description of the vulnerability 

An attacker can bypass access restrictions to data via SUBSCRIBE Delivery URL of UPnP, in order to obtain sensitive information.
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This threat note impacts software or systems such as Debian, Fedora, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity note is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this vulnerability note.

Solutions for this threat 

Debian 9: new gupnp packages.
New packages are available:
  Debian 9: gupnp 1.0.1-1+deb9u1

Debian 9: new wpa packages.
New packages are available:
  Debian 9: wpa 2:2.4-1+deb9u7

Fedora 31: new gssdp packages.
New packages are available:
  Fedora 31: gssdp 1.0.4-1.fc31

Fedora 31: new gupnp packages.
New packages are available:
  Fedora 31: gupnp 1.0.5-1.fc31

Fedora 32: new gssdp packages.
New packages are available:
  Fedora 32: gssdp 1.0.4-1.fc32

Fedora 32: new gupnp packages.
New packages are available:
  Fedora 32: gupnp 1.0.5-1.fc32

Fedora 32: new hostapd packages.
New packages are available:
  Fedora 32: hostapd 2.9-4.fc32

Ubuntu 20.04: new libgupnp-1.2-0 packages.
New packages are available:
  Ubuntu 20.04 LTS: libgupnp-1.2-0 1.2.3-0ubuntu0.20.04.1

Wind River Linux: version 10.19.45.12.
The version 10.19.45.12 is fixed:
  https://support2.windriver.com/index.php?page=cve&on=list&show=50&product_id=1&product_version%5B0%5D=24&id_status%5B0%5D=4&cve_id_filter=&s=&submit=&order_by=cve_modified_date&order_way=desc#list
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