漏洞信息
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Vulnerability Title
cpp-httplib: HTTP header value percent-decoding in server-side `parse_header` enables CRLF injection
Vulnerability Description
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, when cpp-httplib's server parses an incoming request, it applies percent-decoding to every header value except Location and Referer. The validity check (is_field_value) is run before decoding, so encoded %0D%0A passes the check and is then expanded to a literal \r\n byte pair inside the stored header value. This vulnerability is fixed in 0.44.0.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Vulnerability Title
cpp-httplib 环境问题漏洞
Vulnerability Description
cpp-httplib是yhirose个人开发者的一款使用C++语言编写的HTTP/HTTPS服务器和客户端库。 cpp-httplib 0.44.0之前版本存在环境问题漏洞,该漏洞源于服务器解析请求时对除Location和Referer外的每个标头值应用百分号解码,有效性检查在解码前运行,导致编码的%0D%0A通过检查并扩展为字面 字节对。
CVSS Information
N/A
Vulnerability Type
N/A