CVE-2021-45937 - Vulnerability Details - OpenCVE

wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_WaitType and MqttClient_Connect).

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.

The EPSS score is 0.0021.

Key SSVC decision points have not yet been added.

Vendors	Products
Wolfssl Subscribe	Wolfmqtt Subscribe

Configuration 1 [-]

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

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-32646	wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_WaitType and MqttClient_Connect).

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39083
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wolfmqtt/OSV-2021-1349.yaml
https://github.com/wolfSSL/wolfMQTT/commit/84d4b53122e0fa0280c7872350b89d5777dabbb2

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-12-31T23:57:49

Updated: 2024-08-04T04:54:31.251Z

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

Link: CVE-2021-45937

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-01-01T01:15:08.780

Modified: 2024-11-21T06:33:18.647

Link: CVE-2021-45937

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

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