zephyrproject-rtos zephyr Bluetooth HCI Host Layer memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in zephyrproject-rtos zephyr. It has been declared as critical. This affects an unknown part of the component Bluetooth HCI Host Layer. The manipulation results in memory corruption. This vulnerability is known as CVE-2023-1902. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in zephyrproject-rtos zephyr (Project Management Software) (version now known). Affected is some unknown processing of the component Bluetooth HCI Host Layer. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The bluetooth HCI host layer logic not clearing a global reference to a state pointer after handling connection events may allow a malicious HCI Controller to cause the use of a dangling reference in the host layer, leading to a crash (DoS) or potential RCE on the Host layer.

The weakness was published 07/10/2023 as GHSA-fx9g-8fr2-q899. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-1902 since 04/05/2023. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/27/2023).

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.0
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.0
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector (Zephyr Project): 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: 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

04/05/2023 🔍
07/10/2023 +96 days 🔍
07/10/2023 +0 days 🔍
07/27/2023 +17 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-fx9g-8fr2-q899
Status: Confirmed

CVE: CVE-2023-1902 (🔍)
GCVE (CVE): GCVE-0-2023-1902
GCVE (VulDB): GCVE-100-233400

Entryinfo

Created: 07/10/2023 18:41
Updated: 07/27/2023 08:10
Changes: 07/10/2023 18:41 (49), 07/27/2023 08:10 (11)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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