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地图 / Uncontrolled File Write/Arbitrary File Creation

Uncontrolled File Write/Arbitrary File Creation

代码执行 / 代码注入 / #3250117

厂商
curl
严重程度
中危
赏金
—
弱点
代码注入
研究员
@hadesguy
披露日期
2025-07-13
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(2861 字符中的一小部分)
The dumpeasysrc function in the provided code snippet allows an attacker to specify an arbitrary file path for outputting the generated libcurl source code via the global->libcurl variable. If the global->libcurl value is not properly sanitized or restricted, a malicious user could provide a path …
原文中的代码
void dumpeasysrc(struct GlobalConfig *global)
{
  struct curl_slist *ptr;
  char *o = global->libcurl; // <--- 'o' holds the user-supplied file path

  FILE *out;
  bool fopened = FALSE;
  if(strcmp(o, "-")) {
    out = fopen(o, FOPEN_WRITETEXT); // <--- Direct use of user-supplied path in fopen() …

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 @hadesguy · 版权归作者与 curl 所有

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Uncontrolled File Write/Arbitrary File Creation · 破甲 POJIA