POJIA破甲
地图 / Use after free vulnerability in unserialize() with DateTimeZone

Use after free vulnerability in unserialize() with DateTimeZone

内存破坏 / Unlabeled / #55029

厂商
Internet Bug Bounty
严重程度
未评级
赏金
—
弱点
Unlabeled
研究员
@ryat
披露日期
2015-02-27
资产
PHP
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(4181 字符中的一小部分)
A use-after-free vulnerability was discovered in unserialize() with DateTime/DateTimeZone/DateInterval/DatePeriod objects's __wakeup() magic method that can be abused for leaking arbitrary memory blocks or execute arbitrary code remotely.
原文中的代码
static int php_date_initialize_from_hash(php_date_obj **dateobj,
HashTable *myht)
{
        zval             *z_date;
        zval             *z_timezone;
        zval             *z_timezone_type;
        zval              tmp_obj;
        timelib_tzinfo   *tzi;
        php_timezone_obj *tzobj; …

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

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