漏洞信息
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Vulnerability Title
CrowdSec AppSec silently drops request body for chunked / HTTP-2 requests
Vulnerability Description
CrowdSec offers crowdsourced protection against malicious IPs. From 1.5.0 until 1.7.8, pkg/appsec/request.go NewParsedRequestFromRequest allocated a request body buffer from max(r.ContentLength, 0), so HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests without a content-length header produced an empty body and caused WAF rules targeting REQUEST_BODY, BODY_ARGS, ARGS_POST, JSON, or XML to be skipped. This issue is fixed in version 1.7.8.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Vulnerability Type
保护机制失效
Vulnerability Title
CrowdSec 处理逻辑错误漏洞
Vulnerability Description
crowdsec CrowdSec是crowdsec团队开源的一款协作式安全防护引擎,提供众包服务器检测和恶意 IP 防护。 CrowdSec 1.5.0版本至1.7.8之前版本存在处理逻辑错误漏洞,该漏洞源于请求体缓冲区分配不当,导致使用分块传输编码的HTTP/1.1请求和没有内容长度标头的HTTP/2请求产生空体,从而使得针对REQUEST_BODY、BODY_ARGS、ARGS_POST、JSON或XML的WAF规则被跳过。
CVSS Information
N/A
Vulnerability Type
N/A