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CVE-2020-8916

Memory leak in wpanctl can lead to DoS

MEDIUM
5.5
CVSS Score
Published: July 7, 2020 at 08:15 PM UTC
Updated: June 17, 2026 at 03:27 AM UTC
2 products affected across 2 vendorsWpantundWpantund

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

Description

A memory leak in Openthread's wpantund versions up to commit 0e5d1601febb869f583e944785e5685c6c747be7, when used in an environment where wpanctl is directly interfacing with the control driver (eg: debug environments) can allow an attacker to crash the service (DoS). We recommend updating, or to restrict access in your debug environments.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Wpantund· Openthread
95%
v ≤ 2020-05-28
Wpantund· Google
60%
stable ≤ v < 0e5d1601febb869f583e944785e5685c6c747be7stable

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/openthread/wpantund/pull/468/commits/0e5d1601febb869f583e944785e5685c6c747be7

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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