CVE-2024-28871— Excessive CPU used on malformed traffic
Quick assessment
Affected
OISF libhtp
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
LibHTP是一款安全感知解析器。该产品主要用于HTTP协议等。 LibHTP 0.5.47之前版本存在安全漏洞，该漏洞源于可能会解析格式错误的请求流量，从而导致 CPU 使用率过高。
Possible ATT&CK Techniques 1 AI
T1496 · Resource Hijacking
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I. Basic Information for CVE-2024-28871
Vulnerability Information
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Vulnerability Title
Excessive CPU used on malformed traffic
Source: CVE Program / CVE List V5
Vulnerability Description
LibHTP is a security-aware parser for the HTTP protocol and the related bits and pieces. Version 0.5.46 may parse malformed request traffic, leading to excessive CPU usage. Version 0.5.47 contains a patch for the issue. No known workarounds are available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
LibHTP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibHTP是一款安全感知解析器。该产品主要用于HTTP协议等。 LibHTP 0.5.47之前版本存在安全漏洞，该漏洞源于可能会解析格式错误的请求流量，从而导致 CPU 使用率过高。
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
II. Public POCs for CVE-2024-28871
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Qwen3.6-35B-A3B
· 10168 chars
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III. Intelligence Information for CVE-2024-28871
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Patches & Fixes for CVE-2024-28871 (2)
Vendor Advisories for CVE-2024-28871 (1)
-
https://github.com/OISF/libhtp/security/advisories/GHSA-ffr2-45w9-7wmg x_refsource_CONFIRM
Other References for CVE-2024-28871 (1)
-
https://redmine.openinfosecfoundation.org/issues/6757 x_refsource_MISC
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V. Comments for CVE-2024-28871
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