date Gem up to 3.2.0 on Ruby Regular Expression Date.parse denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in date Gem up to 2.0.0/3.0.1/3.1.1/3.2.0/3.2.0 on Ruby. Affected by this vulnerability is the function Date.parse of the component Regular Expression Handler. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2021-41817. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in date Gem up to 2.0.0/3.0.1/3.1.1/3.2.0/3.2.0 on Ruby (Ruby Gem). It has been classified as problematic. This affects the function Date.parse of the component Regular Expression Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was shared 01/01/2022. It is possible to read the advisory at hackerone.com. This vulnerability is uniquely identified as CVE-2021-41817 since 09/29/2021. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 236688 (Alibaba Cloud Linux 3 : 0080: ruby:2.7 (ALINUX3-SA-2023:0080)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.0.1, 3.0.2, 3.1.2, 3.2.0 or 3.2.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236688). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

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

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236688
Nessus Name: Alibaba Cloud Linux 3 : 0080: ruby:2.7 (ALINUX3-SA-2023:0080)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: date Gem 2.0.1/3.0.2/3.1.2/3.2.0/3.2.1

Timelineinfo

09/29/2021 🔍
01/01/2022 +94 days 🔍
01/01/2022 +0 days 🔍
05/17/2025 +1232 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41817 (🔍)
GCVE (CVE): GCVE-0-2021-41817
GCVE (VulDB): GCVE-100-189519

Entryinfo

Created: 01/01/2022 10:19
Updated: 05/17/2025 19:34
Changes: 01/01/2022 10:19 (42), 01/05/2022 12:45 (1), 05/17/2025 19:34 (16)
Complete: 🔍
Cache ID: 216::103

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

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