esp-idf 5.1 Bluetooth Stack buffer overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in esp-idf 5.1. This affects an unknown part of the component Bluetooth Stack. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2024-33454. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in esp-idf 5.1 and classified as critical. This issue affects an unknown functionality of the component Bluetooth Stack. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to execute arbitrary code via a crafted script to the Bluetooth stack component.

The advisory is shared at gist.github.com. The identification of this vulnerability is CVE-2024-33454 since 04/23/2024. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/22/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• esp-idf

Version

• 5.1

CPE 2.3info

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• 🔍

CPE 2.2info

• 🔍
• 🔍

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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