ReportLab vulnerable to remote code execution via paraparser
Date: 2023-09
Affected: pip/reportlab
Attack vector: rce
Category: vulnerability-disclosure
Severity: Critical
CVE: CVE-2019-19450
CWE: CWE-91
CVSS: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

paraparser in ReportLab before 3.5.31 allows remote code execution because start_unichar in paraparser.py evaluates untrusted user input in a unichar element in a crafted XML document with '<unichar code="' followed by arbitrary Python code, a similar issue to CVE-2019-17626.


Mitigations:

Architectural layers (MAESTRO):