ID CVE-2020-28463
Summary 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
References
Vulnerable Configurations
  • cpe:2.3:a:reportlab:reportlab:*:*:*:*:*:*:*:*
    cpe:2.3:a:reportlab:reportlab:*:*:*:*:*:*:*:*
CVSS
Base: 4.0 (as of 26-02-2021 - 16:07)
Impact:
Exploitability:
CWE CWE-918
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW SINGLE
Impact
ConfidentialityIntegrityAvailability
PARTIAL NONE NONE
cvss-vector via4 AV:N/AC:L/Au:S/C:P/I:N/A:N
Last major update 26-02-2021 - 16:07
Published 18-02-2021 - 16:15
Last modified 26-02-2021 - 16:07
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