mruby up to 3.1 use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability was found in mruby up to 3.1. It has been rated as critical. This vulnerability affects unknown code. Performing a manipulation results in use after free. This vulnerability is reported as CVE-2022-1934. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in mruby up to 3.1 (Programming Language Software). This affects an unknown function. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 05/31/2022. It is possible to read the advisory at huntr.dev. This vulnerability is uniquely identified as CVE-2022-1934 since 05/30/2022. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 3.2 eliminates this vulnerability. Applying the patch aa7f98dedb68d735a1665d3a289036c88b0c47ce 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.1
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: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: mruby 3.2
Patch: aa7f98dedb68d735a1665d3a289036c88b0c47ce

Timelineinfo

05/30/2022 🔍
05/31/2022 +1 days 🔍
05/31/2022 +0 days 🔍
06/04/2022 +4 days 🔍

Sourcesinfo

Product: github.com

Advisory: aa7f98dedb68d735a1665d3a289036c88b0c47ce
Status: Confirmed

CVE: CVE-2022-1934 (🔍)
GCVE (CVE): GCVE-0-2022-1934
GCVE (VulDB): GCVE-100-200907

Entryinfo

Created: 05/31/2022 07:18
Updated: 06/04/2022 08:49
Changes: 05/31/2022 07:18 (40), 06/04/2022 08:48 (2), 06/04/2022 08:49 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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