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CVE-2019-5421

Quick assessment

Affected
Plataformatec Devise ruby gem
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.

Plataformatec Devise是巴西Plataformatec公司的一款基于Warden的Rails身份验证解决方案。 Plataformatec Devise 4.5.0及之前版本中的‘Devise::Models::Lockable’类的‘`#increment_failed_attempts’方法存在安全特征问题漏洞。该漏洞是源于网络系统或产品中缺少身份验证、访问控制、权限管理等安全措施。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.56% · P74

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force
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I. Basic Information for CVE-2019-5421

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The `Devise::Models::Lockable` class, more specifically at the `#increment_failed_attempts` method. File location: lib/devise/models/lockable.rb that can result in Multiple concurrent requests can prevent an attacker from being blocked on brute force attacks. This attack appear to be exploitable via Network connectivity - brute force attacks. This vulnerability appears to have been fixed in 4.6.0 and later.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
Plataformatec Devise 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Plataformatec Devise是巴西Plataformatec公司的一款基于Warden的Rails身份验证解决方案。 Plataformatec Devise 4.5.0及之前版本中的‘Devise::Models::Lockable’类的‘`#increment_failed_attempts’方法存在安全特征问题漏洞。该漏洞是源于网络系统或产品中缺少身份验证、访问控制、权限管理等安全措施。
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
Plataformatec Devise ruby gem 4.5.0 and earlier using the lockable module -

II. Public POCs for CVE-2019-5421

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III. Intelligence Information for CVE-2019-5421

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Patches & Fixes for CVE-2019-5421 (1)

Other References for CVE-2019-5421 (1)

IV. Related Vulnerabilities

Same weakness: CWE-367

V. Comments for CVE-2019-5421

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