zephyrproject-rtos Zephyr up to 3.6 BT rfcomm_handle_data net_buf heap-based overflow

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in zephyrproject-rtos Zephyr up to 3.6 and classified as critical. This issue affects the function rfcomm_handle_data of the component BT. The manipulation of the argument net_buf leads to heap-based overflow. The identification of this vulnerability is CVE-2024-6258. Access to the local network is required for this attack to succeed. There is no exploit available. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in zephyrproject-rtos Zephyr up to 3.6 and classified as critical. This vulnerability affects the function rfcomm_handle_data of the component BT. The manipulation of the argument net_buf 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 confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2024-6258 since 06/21/2024. The exploitation appears to be easy. Access to the local network is required for this attack. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/14/2024).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector (zephyr): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒

Local: No
Remote: Partially

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

06/21/2024 CVE reserved
09/14/2024 +85 days Advisory disclosed
09/14/2024 +0 days VulDB entry created
09/14/2024 +0 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-7833-fcpm-3ggm
Status: Confirmed

CVE: CVE-2024-6258 (🔒)
GCVE (CVE): GCVE-0-2024-6258
GCVE (VulDB): GCVE-100-277492

Entryinfo

Created: 09/14/2024 07:26 AM
Changes: 09/14/2024 07:26 AM (65)
Complete: 🔍
Cache ID: 18:B04:40

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