Espruino prior 2V09 jsvGetStringChars buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in Espruino and classified as critical. This affects the function jsvGetStringChars. Performing a manipulation results in buffer overflow. This vulnerability is identified as CVE-2020-22884. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Espruino. This affects the function jsvGetStringChars. 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 released 07/13/2021. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2020-22884. Technical details are known, but no exploit is available.

Upgrading to version 2V09 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Espruino 2V09

Timelineinfo

08/13/2020 🔍
07/13/2021 +334 days 🔍
07/13/2021 +0 days 🔍
07/16/2021 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-22884 (🔍)
GCVE (CVE): GCVE-0-2020-22884
GCVE (VulDB): GCVE-100-178461

Entryinfo

Created: 07/13/2021 18:53
Updated: 07/16/2021 14:09
Changes: 07/13/2021 18:53 (36), 07/16/2021 14:09 (5)
Complete: 🔍
Cache ID: 216::103

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