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地图 / Installing a crafted gem package may create or overwrite files

Installing a crafted gem package may create or overwrite files

路径遍历 / 路径遍历 / #243156

厂商
RubyGems
严重程度
中危
赏金
$1,000
弱点
路径遍历
研究员
@mame
披露日期
2017-08-31
资产
—
CVE
CVE-2017-0901

该报告还没有中文解读。

原文摘录

摘自原文(1528 字符中的一小部分)
There is no check for `name` field in `metadata.gz`. By assigning a maliciously crafted string like `../../../../../any/where` to the field, an attacker can create an arbitrary file out of the directory of the gem, or even replace an existing file with a malicious file.

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 RubyGems 所有。

时间线

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

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