CVE-2021-45933 - Vulnerability Details - OpenCVE

wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow (8 bytes) in MqttDecode_Publish (called from MqttClient_DecodePacket and MqttClient_HandlePacket).

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Wolfssl	Wolfmqtt

Configuration 1 [-]

cpe:2.3:a:wolfssl:wolfmqtt:1.9:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38237
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfmqtt/OSV-2021-1211.yaml
https://github.com/wolfSSL/wolfMQTT/commit/84d4b53122e0fa0280c7872350b89d5777dabbb2

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-12-31T23:58:30

Updated: 2024-08-04T04:54:31.125Z

Reserved: 2021-12-31T00:00:00

Link: CVE-2021-45933

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-01-01T01:15:08.577

Modified: 2024-11-21T06:33:18.020

Link: CVE-2021-45933

Redhat

No data.

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