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地图 / Buffer overflow in PyCArg_repr in _ctypes/callproc.c for Python 3.x to 3.9.1

Buffer overflow in PyCArg_repr in _ctypes/callproc.c for Python 3.x to 3.9.1

内存破坏 / 经典缓冲区溢出 / #1084342

厂商
Internet Bug Bounty
严重程度
中危
赏金
$1,500
弱点
经典缓冲区溢出
研究员
@jordyzomer
披露日期
2021-08-25
资产
Python (Legacy)
CVE
CVE-2021-3177

该报告还没有中文解读。

原文摘录

摘自原文(1779 字符中的一小部分)
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf …

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时间线

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

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