VDB-191312 · CVE-2021-46323 · Issue 2122

Espruino 2V11.251 src/jsinteractive.c jsiGetDeviceFromClass memory corruption

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.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Espruino 2V11.251. Affected by this vulnerability is the function jsiGetDeviceFromClass of the file src/jsinteractive.c. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2021-46323. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Espruino 2V11.251. It has been rated as problematic. Affected by this issue is the function jsiGetDeviceFromClass of the file src/jsinteractive.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability.

The weakness was disclosed 01/21/2022 as 2122. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-46323 since 01/18/2022. There are known technical details, but no exploit is available.

Upgrading eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Espruino

Version

2V11.251

Website

Product: https://github.com/espruino/Espruino/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/18/2022 🔍
01/21/2022 +3 days 🔍
01/21/2022 +0 days 🔍
01/26/2022 +5 days 🔍

Sourcesinfo

Product: github.com

Advisory: 2122
Status: Confirmed

CVE: CVE-2021-46323 (🔍)
GCVE (CVE): GCVE-0-2021-46323
GCVE (VulDB): GCVE-100-191312

Entryinfo

Created: 01/21/2022 08:28
Updated: 01/26/2022 11:36
Changes: 01/21/2022 08:28 (39), 01/26/2022 11:36 (1)
Complete: 🔍
Cache ID: 216::103