PT-2019-19842 · Open Connectivity Foundation · Iotivity

Published 2019-03-13 · Updated 2021-07-21 · CVE-2019-9750

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions IoTivity versions prior to 1.3.1 (note: 1.3.1 is the last version mentioned as affected, but no fixed version is provided)

Description The issue allows for Distributed Denial of Service attacks using source IP address spoofing and UDP-based traffic amplification through the CoAP server interface. The reflected traffic can be 6 times bigger than the spoofed requests due to the mishandling of the construction of a "4.01 Unauthorized" response.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2019-9750

Affected Products

Iotivity

References · 3

• 🔥 https://jira.iotivity.org/browse/IOT-3267 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-9750 · Security Note
• https://osv.dev/vulnerability/CVE-2019-9750 · Vendor Advisory