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地图 / CRLF Injection / Protocol Smuggling in libcurl via CURLOPT_USERNAME (IMAP)

CRLF Injection / Protocol Smuggling in libcurl via CURLOPT_USERNAME (IMAP)

注入与走私 / CRLF 注入 / #3479984

厂商
curl
严重程度
高危
赏金
—
弱点
CRLF 注入
研究员
@efrsxcv
披露日期
2025-12-28
资产
https://github.com/curl/curl
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(3366 字符中的一小部分)
Summary: I have discovered a CRLF injection vulnerability in the IMAP protocol implementation of libcurl. The vulnerability exists because the `imap_atom` function in `lib/imap.c` fails to properly sanitize or quote Carriage Return (`\r`) and Line Feed (`\n`) characters when processing the …
原文中的代码
    #include <stdio.h>
    #include <curl/curl.h>

    int main(void)
    {
      CURL *curl;
      CURLcode res;

      curl_global_init(CURL_GLOBAL_DEFAULT);
      curl = curl_easy_init();
      if(curl) {
        // Target localhost on port 143
        curl_easy_setopt(curl, CURLOPT_URL, …

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 curl 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @efrsxcv · 版权归作者与 curl 所有

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