mruby up to 3.1 mrb_vm_exec heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in mruby up to 3.1. Affected is the function mrb_vm_exec. Executing a manipulation can lead to heap-based overflow. This vulnerability is handled as CVE-2022-1286. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in mruby up to 3.1 (Programming Language Software). It has been declared as critical. This vulnerability affects the function mrb_vm_exec. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 04/10/2022. The advisory is shared for download at huntr.dev. This vulnerability was named CVE-2022-1286 since 04/09/2022. There are known technical details, but no exploit is available.

Upgrading to version 3.2 eliminates this vulnerability. Applying the patch b1d0296a937fe278239bdfac840a3fd0e93b3ee9 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.

Once again VulDB remains the best source 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: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.9
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: Heap-based overflow
CWE: CWE-122 / CWE-119
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: mruby 3.2
Patch: b1d0296a937fe278239bdfac840a3fd0e93b3ee9

Timelineinfo

04/09/2022 🔍
04/10/2022 +1 days 🔍
04/10/2022 +0 days 🔍
04/13/2022 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: b1d0296a937fe278239bdfac840a3fd0e93b3ee9
Status: Confirmed

CVE: CVE-2022-1286 (🔍)
GCVE (CVE): GCVE-0-2022-1286
GCVE (VulDB): GCVE-100-196756

Entryinfo

Created: 04/10/2022 17:19
Updated: 04/13/2022 10:06
Changes: 04/10/2022 17:19 (51), 04/13/2022 10:06 (2)
Complete: 🔍
Cache ID: 216::103

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