zephyrproject-rtos Zephyr up to 3.6 Global Buffer ascs.c ascs_cp_rsp_add out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in zephyrproject-rtos Zephyr up to 3.6. This vulnerability affects the function ascs_cp_rsp_add of the file /subsys/bluetooth/audio/ascs.c of the component Global Buffer Handler. The manipulation leads to out-of-bounds write. This vulnerability was named CVE-2024-6442. Access to the local network is required for this attack to succeed. There is no exploit available. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability classified as critical has been found in zephyrproject-rtos Zephyr up to 3.6. This affects the function ascs_cp_rsp_add of the file /subsys/bluetooth/audio/ascs.c of the component Global Buffer Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In ascs_cp_rsp_add in /subsys/bluetooth/audio/ascs.c, an unchecked tailroom could lead to a global buffer overflow.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2024-6442 since 07/02/2024. The exploitability is told to be easy. Access to the local network is required for this attack. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/13/2024).

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

Statistical analysis made it clear that VulDB provides the best quality 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: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector (zephyr): 🔒

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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

07/02/2024 CVE reserved
10/04/2024 +94 days Advisory disclosed
10/04/2024 +0 days VulDB entry created
11/13/2024 +40 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-m22j-ccg7-4v4h
Status: Confirmed

CVE: CVE-2024-6442 (🔒)
GCVE (CVE): GCVE-0-2024-6442
GCVE (VulDB): GCVE-100-279207

Entryinfo

Created: 10/04/2024 08:31 AM
Updated: 11/13/2024 08:50 PM
Changes: 10/04/2024 08:31 AM (66), 10/05/2024 02:14 PM (1), 11/13/2024 08:50 PM (11)
Complete: 🔍
Cache ID: 18:667:40

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