zephyrproject-rtos Zephyr up to 3.7 ots_client.c olcp_ind_handler heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in zephyrproject-rtos Zephyr up to 3.7. It has been rated as critical. This affects the function olcp_ind_handler of the file zephyr/subsys/bluetooth/services/ots/ots_client.c. This manipulation causes heap-based overflow. This vulnerability is registered as CVE-2024-8798. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in zephyrproject-rtos Zephyr up to 3.7. Affected by this vulnerability is the function olcp_ind_handler of the file zephyr/subsys/bluetooth/services/ots/ots_client.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect availability. The summary by CVE is:

No proper validation of the length of user input in olcp_ind_handler in zephyr/subsys/bluetooth/services/ots/ots_client.c.

The advisory is shared at github.com. This vulnerability is known as CVE-2024-8798 since 09/13/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/17/2025).

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-49616). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (zephyr): 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/13/2024 🔍
12/16/2024 +94 days 🔍
12/16/2024 +0 days 🔍
09/17/2025 +275 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-r7pm-f93f-f7fp
Status: Confirmed

CVE: CVE-2024-8798 (🔍)
GCVE (CVE): GCVE-0-2024-8798
GCVE (VulDB): GCVE-100-288505
EUVD: 🔍

Entryinfo

Created: 12/16/2024 07:28
Updated: 09/17/2025 09:02
Changes: 12/16/2024 07:28 (65), 02/04/2025 07:51 (12), 09/17/2025 09:02 (1)
Complete: 🔍
Cache ID: 216::103

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

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