POJIA破甲
地图 / [bower] Arbitrary File Write through improper validation of symlinks while package extraction

[bower] Arbitrary File Write through improper validation of symlinks while package extraction

路径遍历 / 路径遍历 / #473811

厂商
Node.js third-party modules
严重程度
中危 · CVSS 8
赏金
—
弱点
路径遍历
研究员
@skyn3t
披露日期
2019-01-26
资产
bower
CVE
CVE-2019-5484

该报告还没有中文解读。

原文摘录

摘自原文(3680 字符中的一小部分)
I would like to report file write in arbitrary locations via install command in `bower` It allows attackers to write arbitrary files when a malicious package is extracted.
原文中的代码
$ tar -xvf hello.tar.gz
hello/
hello/README.md
hello/link
hello/link/PWNED
hello/package.json

$ tar -tvf hello.tar.gz
drwxr-xr-x 0/0               0 2019-01-01 21:27 hello/
-rw-r--r-- 0/0              12 2019-01-01 21:27 hello/README.md
lrw-r--r-- 0/0               0 2019-01-01 21:27 hello/link -> …

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 Node.js third-party modules 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @skyn3t · 版权归作者与 Node.js third-party modules 所有

同类报告

Arbitrary file read via the UploadsRewriter when moving and issueGitLab · 2020-04-27 · $20,000Arbitrary file read via the bulk imports UploadsPipelineGitLab · 2022-03-21 · $29,000Misuse of an authentication cookie combined with a path traversal on app.starbucks.com permitted access to restricted dataStarbucks · 2020-06-16Arbitrary file read during project importGitLab · 2021-05-24 · $16,000Burp Suite Professional: browser-powered crawl can write attacker-controlled files through file input handlingPortSwigger Web Security · 2026-06-14 · $5,000Path traversal in filename in LINE Mac clientLY Corporation · 2020-07-31