POJIA破甲
地图 / DATA / INDEX DIRECTORY Abuse

DATA / INDEX DIRECTORY Abuse

其他弱点 / Unlabeled / #3849025

厂商
MariaDB
严重程度
未评级
赏金
—
弱点
Unlabeled
研究员
@vortfu
披露日期
2026-10-07
资产
—
CVE
CVE-2026-102523

该报告还没有中文解读。

原文摘录

摘自原文(14127 字符中的一小部分)
A user with ordinary schema-level privileges (`SELECT`, `INSERT`, `CREATE` etc, but no global `FILE` privilege) may be able to coerce MariaDB into writing (almost) arbitrary data into attacker chosen locations by abusing issues with how a table's `DATA DIRECTORY` or `INDEX DIRECTORY` values are …
原文中的代码
SELECT VERSION(), @@have_symlink;
-- 13.1.0-MariaDB, YES

SELECT '<?php system("uname -a && id");' INTO OUTFILE '/tmp/shell.php';
-- ERROR 1227 (42000): Access denied; you need (at least one of) the FILE privilege(s)


-- InnoDB
--   - only supports `DATA DIRECTORY`
--   - will create any missing …

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 MariaDB 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @vortfu · 版权归作者与 MariaDB 所有

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DATA / INDEX DIRECTORY Abuse · 破甲 POJIA