zephyrproject-rtos Zephyr up to 3.4 Bluetooth Subsystem hci_core.c buffer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.8 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in zephyrproject-rtos Zephyr up to 3.4 (Project Management Software). This affects some unknown functionality of the file /subsys/bluetooth/host/hci_core.c of the component Bluetooth Subsystem. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Potential buffer overflows in the Bluetooth subsystem due to asserts being disabled in /subsys/bluetooth/host/hci_core.c
The weakness was published 10/25/2023 as GHSA-hmpr-px56-rvww. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-5753 since 10/24/2023. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 3.5 eliminates this vulnerability.
Similar entries are available at VDB-8484, VDB-8485, VDB-8486 and VDB-77258.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔒VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.8
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔒
CNA Base Score: 6.3
CNA Vector (Zephyr Project): 🔒
CVSSv2
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Local: No
Remote: Partially
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Zephyr 3.5
Timeline
10/24/2023 CVE reserved10/25/2023 Advisory disclosed
10/25/2023 VulDB entry created
11/15/2023 VulDB entry last update
Sources
Advisory: GHSA-hmpr-px56-rvwwStatus: Confirmed
CVE: CVE-2023-5753 (🔒)
See also: 🔒
Entry
Created: 10/25/2023 11:45Updated: 11/15/2023 23:19
Changes: 10/25/2023 11:45 (43), 11/15/2023 23:19 (21)
Complete: 🔍
Cache ID: 18:0DA:103
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