mruby up to 3.1 Interpreter mrb_vm_exec 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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5.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in mruby up to 3.1. Affected by this issue is the function mrb_vm_exec of the component Interpreter. The manipulation results in null pointer dereference. This vulnerability is reported as CVE-2022-1201. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in mruby up to 3.1 (Programming Language Software). Affected is the function mrb_vm_exec of the component Interpreter. 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 disclosed 04/02/2022. The advisory is available at huntr.dev. This vulnerability is traded as CVE-2022-1201 since 04/01/2022. Technical details are known, but there is no available exploit.

Upgrading to version 3.2 eliminates this vulnerability. Applying the patch 00acae117da1b45b318dc36531a7b0021b8097ae is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

CNA Base Score: 7.1
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: Partially

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: mruby 3.2
Patch: 00acae117da1b45b318dc36531a7b0021b8097ae

Timelineinfo

04/01/2022 🔍
04/02/2022 +1 days 🔍
04/02/2022 +0 days 🔍
04/05/2022 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: 00acae117da1b45b318dc36531a7b0021b8097ae
Status: Confirmed

CVE: CVE-2022-1201 (🔍)
GCVE (CVE): GCVE-0-2022-1201
GCVE (VulDB): GCVE-100-196362

Entryinfo

Created: 04/02/2022 14:46
Updated: 04/05/2022 17:15
Changes: 04/02/2022 14:46 (42), 04/05/2022 17:07 (2), 04/05/2022 17:15 (12)
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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