jellyfin-cve-2021-21402 #1206
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jellyfin-cve-2021-21402 #1206
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reviewed
Apr 28, 2021
Print1n
changed the title
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PoC 格式存在问题，有多余的缩进，建议参考其他 PoC 格式 |
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reviewed
Apr 30, 2021
| response.status==200 && response.body.bcontains(b"extensions") && response.body.bcontains(b"files") | ||
| Linux: | ||
| - method: GET | ||
| path: /Audio/anything/hls/..%5Cdata%5Cjellyfin.db/stream.mp3/ |
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windows 上有没有 jellyfin.db 这个文件，如果有，是不是可以考虑合并为一个请求
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Windows确实存在jellyfin.db这个文件，但是部分Windows系统jellyfin.db文件过大，导致读取jellyfin.db文件失败。此时配合读取win.ini文件才能验证漏洞成功。例如：http://5.160.4.147:1554/，该url读取jellyfin.db失败，但是读取win.ini成功
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如果单纯考虑jellyfin.db文件，可能造成部分Windows系统漏洞验证不成功
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那建议不读 jellyfin.db，换一个Linux和Windows都能读的文件，合并为一个请求，这样在批量扫描的时候可以少发很多请求，加快扫描速度。
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本 poc 是检测什么漏洞的
Jellyfin 任意文件读取漏洞（CVE-2021-21402）
测试环境
fofa title="Jellyfin" || body="http://jellyfin.media"
备注
之前有一个师傅提交了该POC，但是他的检测版本限于Windows系统，无法检测Linux系统
