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地图 / Integer overflow in strop.expandtabs

Integer overflow in strop.expandtabs

内存破坏 / Unlabeled / #6389

厂商
Internet Bug Bounty
严重程度
未评级
赏金
—
弱点
Unlabeled
研究员
@ianbeer
披露日期
2014-03-31
资产
Python (Legacy)
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(4187 字符中的一小部分)
*This issue was originally disclosed directly to the Python Security Response Team*
原文中的代码
static PyObject *
strop_expandtabs(PyObject *self, PyObject *args)
...
  i = j = old_j = 0;
  e = string + stringlen;
  for (p = string; p < e; p++) {
      if (*p == '\t') {
          j += tabsize - (j%tabsize);
          if (old_j > j) {
              PyErr_SetString(PyExc_OverflowError, …

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 @ianbeer · 版权归作者与 Internet Bug Bounty 所有

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