VDB-202923 · CVE-2021-3431 · GHSA-7548-5m6f-mqv9

zephyrproject-rtos 2.5.0 LL_FEATURE_REQ assertion

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in zephyrproject-rtos 2.5.0. It has been rated as problematic. The affected element is the function LL_FEATURE_REQ. Performing a manipulation results in assertion. This vulnerability was named CVE-2021-3431. The attack needs to be approached within the local network. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in zephyrproject-rtos 2.5.0 (Project Management Software). This affects the function LL_FEATURE_REQ. The manipulation with an unknown input leads to a assertion vulnerability. CWE is classifying the issue as CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. This is going to have an impact on availability. The summary by CVE is:

Assertion reachable with repeated LL_FEATURE_REQ. Zephyr versions >= v2.5.0 contain Reachable Assertion (CWE-617). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7548-5m6f-mqv9

The weakness was presented 06/29/2022 as GHSA-7548-5m6f-mqv9. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-3431 since 03/11/2021. Technical details of the vulnerability are known, but there is no available exploit.

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

Project Management Software

Name

zephyrproject-rtos

Version

2.5.0

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (Zephyr Project): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Assertion
CWE: CWE-617
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

03/11/2021 🔍
06/29/2022 +474 days 🔍
06/29/2022 +0 days 🔍
07/16/2022 +17 days 🔍

Sourcesinfo

Advisory: GHSA-7548-5m6f-mqv9
Status: Confirmed

CVE: CVE-2021-3431 (🔍)
GCVE (CVE): GCVE-0-2021-3431
GCVE (VulDB): GCVE-100-202923

Entryinfo

Created: 06/29/2022 08:24
Updated: 07/16/2022 13:07
Changes: 06/29/2022 08:24 (48), 07/16/2022 13:07 (18)
Complete: 🔍
Cache ID: 216::103