Microchip RN4870 1.43 ConReqTimeoutZero denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Microchip RN4870 1.43. This issue affects the function ConReqTimeoutZero. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.

The weakness was presented 12/20/2022. The advisory is shared at computer.org. The identification of this vulnerability is CVE-2022-46399 since 12/04/2022. Technical details are known, but no exploit is available.

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

See VDB-216354, VDB-216355, VDB-216356 and VDB-216357 for similar entries.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/04/2022 🔍
12/20/2022 +16 days 🔍
12/20/2022 +0 days 🔍
01/21/2023 +32 days 🔍

Sourcesinfo

Advisory: computer.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-46399 (🔍)
See also: 🔍

Entryinfo

Created: 12/20/2022 09:13 AM
Updated: 01/21/2023 08:28 AM
Changes: 12/20/2022 09:13 AM (39), 01/21/2023 08:28 AM (11)
Complete: 🔍
Cache ID: 3:06D:40

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