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地图 / [curl] CVE-2023-32001: fopen race condition

[curl] CVE-2023-32001: fopen race condition

业务逻辑 / TOCTOU 竞态条件 / #2078571

厂商
Internet Bug Bounty
严重程度
低危
赏金
$2,480
弱点
TOCTOU 竞态条件
研究员
@selmelc
披露日期
2023-07-27
资产
https://github.com/curl/curl
CVE
CVE-2023-32001

该报告还没有中文解读。

原文摘录

摘自原文(5446 字符中的一小部分)
Hello, I'm reporting for CVE-2023-32001 on curl which was resolved in last Wednesday's curl release.
原文中的代码
  if(stat(filename, &sb) == -1 || !S_ISREG(sb.st_mode)) {
    /* a non-regular file, fallback to direct fopen() */
    *fh = fopen(filename, FOPEN_WRITETEXT);
...
}
...

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 Internet Bug Bounty 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @selmelc · 版权归作者与 Internet Bug Bounty 所有

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