地图 / Invalid read in `str_replace_partial`

Invalid read in `str_replace_partial`

内存破坏 / 越界读 / #633607

厂商: shopify-scripts
严重程度: 未评级
赏金: $1,000
弱点: 越界读
研究员: @dgaletic
披露日期: 2019-09-04
资产: —
CVE: —

该报告还没有中文解读。

原文摘录

摘自原文（1165 字符中的一小部分）

PoC === The attached POC shows an invalid read.

原文中的代码

0==27051== Invalid read of size 1
==27051==    at 0x483FA10: memmove (vg_replace_strmem.c:1270)
==27051==    by 0x135D60: str_replace_partial (string.c:1193)
==27051==    by 0x1359CB: mrb_str_aset (string.c:1226)
==27051==    by 0x131AE8: mrb_str_aset_m (string.c:1255)
==27051==    by 0x1656FE: …

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 shopify-scripts 所有。

时间线

2019-07-02报告提交
2019-09-04公开披露

阅读 HackerOne 原文 ↗作者 @dgaletic · 版权归作者与 shopify-scripts 所有

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