CVE Vulnerability

CVE-2020-28463

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 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

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://snyk.io/vuln/SNYK-PYTHON-REPORTLAB-1022145 Exploit Release Notes
https://www.reportlab.com/docs/reportlab-userguide.pdf Product Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HMUJA5GZTPQ5WRYUCCK2GEZM4W43N7HH/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZQSFCID67K6BTC655EQY6MNOF35QI44/ Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:reportlab:reportlab:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Information

Published : 2021-02-18 04:15

Updated : 2021-11-30 07:43

NVD link : CVE-2020-28463

Mitre link : CVE-2020-28463

Products Affected
No products.
CWE
CWE-918

Server-Side Request Forgery (SSRF)