CVE-2021-41817
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Ruby是松本行弘个人开发者的一种跨平台、面向对象的动态类型编程语言。 Ruby Date Gem 中存在安全漏洞，该漏洞源于产品的日期解析方法实现存在错误。攻击者可通过该漏洞导致拒绝服务。以下产品及版本受到影响：Ruby Date Gem 2.0.0 版本及之前版本、Ruby Date Gem 3.0.1 版本及之前版本、Ruby Date Gem 3.1.1 版本及之前版本、Ruby Date Gem 3.2.0 版本及之前版本。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-41817
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Ruby 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ruby是松本行弘个人开发者的一种跨平台、面向对象的动态类型编程语言。 Ruby Date Gem 中存在安全漏洞，该漏洞源于产品的日期解析方法实现存在错误。攻击者可通过该漏洞导致拒绝服务。以下产品及版本受到影响：Ruby Date Gem 2.0.0 版本及之前版本、Ruby Date Gem 3.0.1 版本及之前版本、Ruby Date Gem 3.1.1 版本及之前版本、Ruby Date Gem 3.2.0 版本及之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2021-41817
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-41817 (1)
Mailing List Discussions for CVE-2021-41817 (2)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2021-41817 (1)
Same Patch Batch · n/a · 2022-01-01 · 10 CVEs total
| CVE-2022-22293 | Dolibarr 跨站脚本漏洞 | |
| CVE-2021-44896 | Dmp Roadmap 跨站脚本漏洞 | |
| CVE-2021-45972 | Giftrans 缓冲区错误漏洞 | |
| CVE-2021-45960 | Expat 资源管理错误漏洞 | |
| CVE-2021-44852 | Biostar RACING GT Evo 安全漏洞 | |
| CVE-2021-43333 | Datalogic Dxu Service 访问控制错误漏洞 | |
| CVE-2021-41819 | Ruby 安全漏洞 | |
| CVE-2021-44716 | Google Golang 资源管理错误漏洞 | |
| CVE-2021-44717 | Google Golang 资源管理错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-41817
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