CVE-2020-28463

Public Exploit
Server-side Request Forgery (SSRF)

Description

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

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.67% Top 30%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory reportlab.com
Affected: n/a reportlab
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-PYTHON-REPORTLAB-1022145 third party advisory release notes exploit
https://www.reportlab.com/docs/reportlab-userguide.pdf product vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMUJA5GZTPQ5WRYUCCK2GEZM4W43N7HH/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQSFCID67K6BTC655EQY6MNOF35QI44/ vendor advisory
https://lists.debian.org/debian-lts-announce/2023/09/msg00037.html mailing list

Frequently Asked Questions

What is the severity of CVE-2020-28463?
CVE-2020-28463 has been scored as a medium severity vulnerability.
How to fix CVE-2020-28463?
To fix CVE-2020-28463, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-28463 being actively exploited in the wild?
It is possible that CVE-2020-28463 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-28463?
CVE-2020-28463 affects n/a reportlab.
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