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地图 / dns.resolve truncates names containing NUL char

dns.resolve truncates names containing NUL char

访问控制 / 访问控制缺陷(通用) / #4038342

厂商
Node.js
严重程度
中危 · CVSS 7.4
赏金
—
弱点
访问控制缺陷(通用)
研究员
@hasanfleyah
披露日期
2026-10-23
资产
https://github.com/nodejs/node
CVE
CVE-2026-105482

该报告还没有中文解读。

原文摘录

摘自原文(3989 字符中的一小部分)
I looked at the June 18 2026 fix for CVE-2026-48930 and found it is incomplete. The fix rejects embedded NUL bytes at the entry points that feed libuv's `getaddrinfo` (`dns.lookup`, `dns.promises.lookup`) and at `options.host` in `net`/`tls`. It does not reject them at any of the `dns.resolve*` …
原文中的代码
cd C:/Users/Owner/Documents/mywork/nodejs-node/CVE-2026-48930
node proof/poc.js

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 Node.js 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @hasanfleyah · 版权归作者与 Node.js 所有

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