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地图 / PyUnicode_FromFormatV crasher

PyUnicode_FromFormatV crasher

其他弱点 / Unlabeled / #43443

厂商
Internet Bug Bounty
严重程度
未评级
赏金
—
弱点
Unlabeled
研究员
@guido
披露日期
2014-12-15
资产
Python (Legacy)
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(7833 字符中的一小部分)
Please note: this was initially sent (only) to [email protected]. After a short conversation, Guido van Rossum sent me this:
原文中的代码
 760     /* step 3: figure out how large a buffer we need */
 761     for (f = format; *f; f++) {
 762         if (*f == '%') {
 763             const char* p = f;
 764             width = 0;
 765             while (isdigit((unsigned)*f))
 766                 width = (width*10) + *f++ - '0';
 767 …

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

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