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地图 / heap-buffer-overflow (READ of size 48) in exif_read_data()

heap-buffer-overflow (READ of size 48) in exif_read_data()

内存破坏 / 堆溢出 / #384214

厂商
Internet Bug Bounty
严重程度
低危
赏金
—
弱点
堆溢出
研究员
@geeknik
披露日期
2018-09-01
资产
PHP
CVE
CVE-2018-14851

该报告还没有中文解读。

原文摘录

摘自原文(3291 字符中的一小部分)
`exif_read_data` in PHP 5.6.36, 7.1.x and 7.2.x is vulnerable to a heap buffer overflow when fed a specially crafted JPEG. Any online service that reads EXIF data from uploaded JPEGs is potentially vulnerable to this flaw. This has been fixed with the release of PHP 7.2.8 today. Other releases are …
原文中的代码
USE_ZEND_ALLOC=0 ./php-7.2.7 -r '$exif = exif_read_data("http://dtf.pw/php727/poc/630/test000.jpeg"); var_dump($exif);'

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时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @geeknik · 版权归作者与 Internet Bug Bounty 所有

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