mruby up to 3.1 null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in mruby up to 3.1. This issue affects some unknown processing. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2022-0481. The attack requires local access. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in mruby up to 3.1 (Programming Language Software). It has been declared as problematic. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability.

The weakness was presented 02/05/2022. The advisory is shared for download at huntr.dev. This vulnerability was named CVE-2022-0481 since 02/03/2022. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.2 eliminates this vulnerability. Applying the patch ae3c99767a27f5c6c584162e2adc6a5d0eb2c54e 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.

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

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

VulDB Base Score: 2.8
VulDB Temp Score: 2.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
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: ae3c99767a27f5c6c584162e2adc6a5d0eb2c54e

Timelineinfo

02/03/2022 🔍
02/05/2022 +2 days 🔍
02/05/2022 +0 days 🔍
02/07/2022 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: ae3c99767a27f5c6c584162e2adc6a5d0eb2c54e
Status: Confirmed

CVE: CVE-2022-0481 (🔍)
GCVE (CVE): GCVE-0-2022-0481
GCVE (VulDB): GCVE-100-192328

Entryinfo

Created: 02/05/2022 08:13
Updated: 02/07/2022 09:42
Changes: 02/05/2022 08:13 (50), 02/07/2022 09:38 (1), 02/07/2022 09:42 (1)
Complete: 🔍
Cache ID: 216::103

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

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