地图 / Heap overflow in utf32be_mbc_to_code

Heap overflow in utf32be_mbc_to_code

内存破坏 / 堆溢出 / #476168

厂商: Internet Bug Bounty
严重程度: 高危 · CVSS 9.8
赏金: $1,500
弱点: 堆溢出
研究员: @haquaman
披露日期: 2020-11-09
资产: PHP
CVE: CVE-2019-9023

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原文摘录

摘自原文（303 字符中的一小部分）

Buffer overflow in mbc_to_code functions for UTF32BE, UTF32LE, UTF16BE, and UTF16LE due to incorrect length assumptions of a buffer. Provided a patch that was adapted to check the length of the buffer prior to using it.

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

2019-01-07报告提交
2020-11-09公开披露

阅读 HackerOne 原文 ↗作者 @haquaman · 版权归作者与 Internet Bug Bounty 所有

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