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地图 / Buffer Overflow in optimized_escape_html method

Buffer Overflow in optimized_escape_html method

内存破坏 / 经典缓冲区溢出 / #1455248

厂商
Internet Bug Bounty
严重程度
低危
赏金
—
弱点
经典缓冲区溢出
研究员
@chamal
披露日期
2022-01-22
资产
https://github.com/ruby
CVE
CVE-2021-41816

该报告还没有中文解读。

原文摘录

摘自原文(2411 字符中的一小部分)
* This report is a copy of bug report (https://hackerone.com/reports/1328463). I was asked to submit this bug here, because Ruby bug bounty program is moved to this new Internet Bug Bounty program.
原文中的代码
char *buf = ALLOCV_N(char, vbuf, RSTRING_LEN(str) * HTML_ESCAPE_MAX_LEN);

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

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