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CVE-2023-27539

Quick assessment

Affected
Rails Rack
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.

Rack是模块化的Ruby Web服务器界面。 Rack存在安全漏洞。攻击者利用该漏洞执行正则表达式拒绝服务攻击。

AI Predicted 5.3 Difficulty: Easy EPSS 1.08% · P64

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-27539

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
There is a denial of service vulnerability in the header parsing component of Rack.
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
Rack 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rack是模块化的Ruby Web服务器界面。 Rack存在安全漏洞。攻击者利用该漏洞执行正则表达式拒绝服务攻击。
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
Rails Rack 2.2.6.4 ~ 2.2.6.4 -

II. Public POCs for CVE-2023-27539

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-27539

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Patches & Fixes for CVE-2023-27539 (2)

Vendor Advisories for CVE-2023-27539 (3)

Mailing List Discussions for CVE-2023-27539 (1)

Other References for CVE-2023-27539 (1)

Same Patch Batch · Rails · 2025-01-09 · 6 CVEs total

CVE-2023-28120 Rails 安全漏洞
CVE-2023-28362 Rails 安全漏洞
CVE-2023-38037 rails 安全漏洞
CVE-2023-27531 Kredis 安全漏洞
CVE-2023-23913 Rails 安全漏洞

IV. Related Vulnerabilities

Same product: Rack
Same vendor: Rails

V. Comments for CVE-2023-27539

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