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CoAPthon3 vulnerable to Deserialization of Untrusted Data

High severity GitHub Reviewed Published Apr 8, 2019 to the GitHub Advisory Database • Updated Jan 11, 2023

Package

pip CoAPthon3 (pip)

Affected versions

<= 1.0.1

Patched versions

None

Description

The Serialize.deserialize() method in CoAPthon3 1.0 and 1.0.1 mishandles certain exceptions, leading to a denial of service in applications that use this library (e.g., the standard CoAP server, CoAP client, example collect CoAP server and client) when they receive crafted CoAP messages.

References

Published to the GitHub Advisory Database Apr 8, 2019
Reviewed Jun 16, 2020
Last updated Jan 11, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2018-12679

GHSA ID

GHSA-c6fm-rgw4-8q73

Source code

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