Tóm tắt nhanh
- CVE-2020-28463 là lỗ hổng mức TRUNG BÌNH (CVSS 6.5) ảnh hưởng reportlab.
- Xác suất bị khai thác trong 30 ngày tới (EPSS): 1.3%, cao hơn 71.5% các lỗ hổng khác.
- Cách xử lý: cập nhật lên 3.5.55 hoặc mới hơn.
| Gói / sản phẩm | Phiên bản bị ảnh hưởng | Phiên bản đã vá |
|---|
| reportlab PyPI | < 3.5.55
| 3.5.55
|
Mô tả
All versions of package reportlab at time of writing are vulnerable to Server-side Request Forgery (SSRF) via img tags. In order to reduce risk, use trustedSchemes & trustedHosts (see in Reportlab's documentation)
Steps to reproduce by Karan Bamal:
- Download and install the latest package of reportlab
- Go to demos -> odyssey -> dodyssey
- In the text file odyssey.txt that needs to be converted to pdf inject
<img src="http://127.0.0.1:5000" valign="top"/>
- Create a nc listener
nc -lp 5000
- Run python3 dodyssey.py
- You will get a hit on your nc showing we have successfully proceded to send a server side request
- dodyssey.py will show error since there is no img file on the url, but we are able to do SSRF
Mô tả của NVD
All versions of package reportlab are vulnerable to Server-side Request Forgery (SSRF) via img tags. In order to reduce risk, use trustedSchemes & trustedHosts (see in Reportlab's documentation) Steps to reproduce by Karan Bamal: 1. Download and install the latest package of reportlab 2. Go to demos -> odyssey -> dodyssey 3. In the text file odyssey.txt that needs to be converted to pdf inject <img src="http://127.0.0.1:5000" valign="top"/> 4. Create a nc listener nc -lp 5000 5. Run python3 dodyssey.py 6. You will get a hit on your nc showing we have successfully proceded to send a server side request 7. dodyssey.py will show error since there is no img file on the url, but we are able to do SSRF
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