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CVE-2020-21574

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.

C-Http是波兰Marcin Dłubakowski个人开发者的一个开源的、用 C 编写的 Http 1.1 WebServer。 YotsuyaNight c-http v0.1.0版本存在安全漏洞源于软件处理delimitedread函数中的url长度存在问题，这允许攻击者可利用该漏洞通过传递给delimitedread函数的长url请求来导致服务拒绝。

AI Predicted 5.3 Difficulty: Easy EPSS 0.98% · P61

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-21574

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Buffer overflow vulnerability in YotsuyaNight c-http v0.1.0, allows attackers to cause a denial of service via a long url request which is passed to the delimitedread function.
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
c-http 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
C-Http是波兰Marcin Dłubakowski个人开发者的一个开源的、用 C 编写的 Http 1.1 WebServer。 YotsuyaNight c-http v0.1.0版本存在安全漏洞源于软件处理delimitedread函数中的url长度存在问题，这允许攻击者可利用该漏洞通过传递给delimitedread函数的长url请求来导致服务拒绝。
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 -

II. Public POCs for CVE-2020-21574

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III. Intelligence Information for CVE-2020-21574

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Other References for CVE-2020-21574 (1)

Same Patch Batch · n/a · 2021-11-02 · 35 CVEs total

CVE-2021-43265 Mahara 跨站脚本漏洞
CVE-2020-21573 Image-Processing资源管理错误漏洞
CVE-2020-23685 Liaoning Vtime Technology 188Jianzhan SQL注入漏洞
CVE-2020-23686 AyaCMS 跨站请求伪造漏洞
CVE-2020-23718 xujinliang zibbs 跨站脚本漏洞
CVE-2020-23719 xujinliang zibbs 跨站脚本漏洞
CVE-2020-23754 PHP-Fusion 跨站脚本漏洞
CVE-2021-42697 Lightbeed Akka Akka-http缓冲区错误漏洞
CVE-2021-43266 Catalyst IT Mahara 操作系统命令注入漏洞
CVE-2020-21572 trgil gilcc 缓冲区错误漏洞
CVE-2021-43264 Mahara 路径遍历漏洞
CVE-2017-5123 Linux kernel 输入验证错误漏洞
CVE-2021-43267 Linux kernel 输入验证错误漏洞
CVE-2020-16048 Angle 缓冲区错误漏洞
CVE-2021-43270 Datalust Seq 安全漏洞
CVE-2021-20135 Tenable Network Security Nessus 权限许可和访问控制问题漏洞
CVE-2020-27820 Linux kernel 资源管理错误漏洞
CVE-2021-36925 Realtek RtsUpx Usb Utility Driver 访问控制错误漏洞
CVE-2020-27406 DynPG 跨站脚本漏洞
CVE-2020-35249 ElkarBackup 跨站脚本漏洞

Showing top 20 of 35 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2020-21574

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