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地图 / CVE-2020-8177: curl overwrite local file with -J

CVE-2020-8177: curl overwrite local file with -J

其他弱点 / 输入校验不当 / #887462

厂商
curl
严重程度
低危 · CVSS 4.7
赏金
—
弱点
输入校验不当
研究员
@snsn
披露日期
2020-12-05
资产
https://github.com/curl/curl
CVE
CVE-2020-8177

该报告还没有中文解读。

原文摘录

摘自原文(2737 字符中的一小部分)
Summary: curl supports the `Content-disposition` header, including the `filename=` option. By design, curl does not allow server-provided local file override by verifying that the `filename=` argument does not exist before opening it. However, the implementation contains 2 minor logical bugs that …
原文中的代码
HTTP/1.1 200 OK
<PAYLOAD>
Content-disposition: attachment; filename=".bashrc"

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 @snsn · 版权归作者与 curl 所有

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