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地图 / Node.js: use-after-free in TLSWrap

Node.js: use-after-free in TLSWrap

内存破坏 / 释放后使用 / #988103

厂商
Node.js
严重程度
中危 · CVSS 7.5
赏金
—
弱点
释放后使用
研究员
@fwilhelm
披露日期
2021-01-05
资产
https://github.com/nodejs/node
CVE
CVE-2020-8265

该报告还没有中文解读。

原文摘录

摘自原文(14422 字符中的一小部分)
Node v14.11.0 (Current) is vulnerable to a use-after-free bug in its TLS implementation. When writing to a TLS enabled socket, node::StreamBase::Write calls node::TLSWrap::DoWrite with a freshly allocated WriteWrap object as first argument. If the DoWrite method does not return an error, this …
原文中的代码
const https = require('https');

const key = `-----BEGIN EC PARAMETERS-----
BggqhkjOPQMBBw==
-----END EC PARAMETERS-----
-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIDKfHHbiJMdu2STyHL11fWC7psMY19/gUNpsUpkwgGACoAoGCCqGSM49
AwEHoUQDQgAEItqm+pYj3Ca8bi5mBs+H8xSMxuW2JNn4I+kw3aREsetLk8pn3o81 …

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 @fwilhelm · 版权归作者与 Node.js 所有

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Node.js: use-after-free in TLSWrap · 破甲 POJIA