MEDIUM🇵🇱 Wersja polska

CVE-2020-28463

CVSS 6.5v3.1pub. 2021-02-18upd. 2024-11-21

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

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

  • Fedora Project Fedora

    OS
    Fedoraproject
    3435

  • Reportlab

    APP
    Reportlab
    wszystkie wersje
🔵
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
Tags
SSRF
CWE
References

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