VDB-213084 · CVE-2022-39343 · GHSA-8jqf-wjhq-4w9f

Azure RTOS FileX up to 6.1.x fx_fault_tolerant_apply_logs.c _fx_fault_tolerant_enable buffer 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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Azure RTOS FileX up to 6.1.x and classified as critical. This vulnerability affects the function _fx_fault_tolerant_enable of the file fx_fault_tolerant_apply_logs.c. The manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2022-39343. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Azure RTOS FileX up to 6.1.x. Affected is the function _fx_fault_tolerant_enable of the file fx_fault_tolerant_apply_logs.c. 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 weakness was shared 11/08/2022 as GHSA-8jqf-wjhq-4w9f. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2022-39343 since 09/02/2022. There are known technical details, but no exploit is available.

Upgrading to version 6.2.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-41816). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Azure RTOS

Name

FileX

Version

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: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 5.6
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FileX 6.2.0

Timelineinfo

09/02/2022 🔍
11/08/2022 +67 days 🔍
11/08/2022 +0 days 🔍
06/30/2026 +1330 days 🔍

Sourcesinfo

Advisory: GHSA-8jqf-wjhq-4w9f
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-39343 (🔍)
GCVE (CVE): GCVE-0-2022-39343
GCVE (VulDB): GCVE-100-213084
EUVD: 🔍

Entryinfo

Created: 11/08/2022 15:50
Updated: 06/30/2026 12:14
Changes: 11/08/2022 15:50 (42), 12/05/2022 12:50 (2), 12/05/2022 12:57 (21), 06/30/2026 12:14 (15)
Complete: 🔍
Cache ID: 216::103