VDB-183890 · CVE-2021-3581 · GHSA-8q65-5gqf-fmw5

zephyrproject-rtos 2.5.0 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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in zephyrproject-rtos 2.5.0. This vulnerability affects unknown code. Such manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2021-3581. The attack can be executed directly on the physical device. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in zephyrproject-rtos 2.5.0 (Project Management Software). Affected by this issue is an unknown function. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was published 10/06/2021 as GHSA-8q65-5gqf-fmw5. The advisory is available at github.com. This vulnerability is handled as CVE-2021-3581 since 06/04/2021. The technical details are unknown and an exploit is not available.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.4
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.0
CNA Vector (Zephyr Project): 🔍

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: Yes
Local: Yes
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/04/2021 🔍
10/06/2021 +124 days 🔍
10/06/2021 +0 days 🔍
10/09/2021 +3 days 🔍

Sourcesinfo

Advisory: GHSA-8q65-5gqf-fmw5
Status: Confirmed

CVE: CVE-2021-3581 (🔍)
GCVE (CVE): GCVE-0-2021-3581
GCVE (VulDB): GCVE-100-183890

Entryinfo

Created: 10/06/2021 11:53
Updated: 10/09/2021 13:30
Changes: 10/06/2021 11:53 (47), 10/09/2021 13:30 (1)
Complete: 🔍
Cache ID: 216::103