Server-side Request Forgery (SSRF)
Vulnerability 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
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Karan Bamal
References
- https://snyk.io/vuln/SNYK-PYTHON-REPORTLAB-1022145
- https://www.reportlab.com/docs/reportlab-userguide.pdf
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMUJA5GZTPQ5WRYUCCK2GEZM4W43N7HH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQSFCID67K6BTC655EQY6MNOF35QI44/
- https://lists.debian.org/debian-lts-announce/2023/09/msg00037.html
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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