mruby null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in mruby. This affects an unknown function. The manipulation results in null pointer dereference. This vulnerability is known as CVE-2021-4188. Attacking locally is a requirement. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic has been found in mruby (Programming Language Software) (affected version not known). Affected is some unknown functionality. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was published 12/30/2021. The advisory is available at huntr.dev. This vulnerability is traded as CVE-2021-4188 since 12/29/2021. The technical details are unknown and an exploit is not available.

Applying the patch 27d1e0132a0804581dca28df042e7047fd27eaa8 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector (huntr.dev): 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 27d1e0132a0804581dca28df042e7047fd27eaa8

Timelineinfo

12/29/2021 🔍
12/30/2021 +1 days 🔍
12/30/2021 +0 days 🔍
01/05/2022 +6 days 🔍

Sourcesinfo

Product: github.com

Advisory: 27d1e0132a0804581dca28df042e7047fd27eaa8
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-4188 (🔍)
GCVE (CVE): GCVE-0-2021-4188
GCVE (VulDB): GCVE-100-189450

Entryinfo

Created: 12/30/2021 12:33
Updated: 01/05/2022 06:25
Changes: 12/30/2021 12:33 (48), 01/05/2022 06:25 (3)
Complete: 🔍
Cache ID: 216::103

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

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