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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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in mruby. Affected by this vulnerability is an unknown functionality. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2021-4110. The attack is possible to be carried out remotely. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in mruby (Programming Language Software) (affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown functionality. 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 disclosed 12/15/2021. It is possible to read the advisory at huntr.dev. This vulnerability is known as CVE-2021-4110 since 12/14/2021. The technical details are unknown and an exploit is not publicly available.

Applying the patch f5e10c5a79a17939af763b1dcf5232ce47e24a34 is able to eliminate this problem. The bugfix is ready for download at github.com.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 9.1
CNA Vector (huntr.dev): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: f5e10c5a79a17939af763b1dcf5232ce47e24a34

Timelineinfo

12/14/2021 🔍
12/15/2021 +1 days 🔍
12/15/2021 +0 days 🔍
12/18/2021 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: f5e10c5a79a17939af763b1dcf5232ce47e24a34
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-4110 (🔍)
GCVE (CVE): GCVE-0-2021-4110
GCVE (VulDB): GCVE-100-188287

Entryinfo

Created: 12/15/2021 08:47
Updated: 12/18/2021 07:24
Changes: 12/15/2021 08:47 (48), 12/18/2021 07:17 (3), 12/18/2021 07:24 (18)
Complete: 🔍
Cache ID: 216::103

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