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ReportLab vulnerable to remote code execution via paraparser

Critical severity GitHub Reviewed Published Sep 20, 2023 to the GitHub Advisory Database • Updated Apr 28, 2024

Package

pip reportlab (pip)

Affected versions

< 3.5.31

Patched versions

3.5.31

Description

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.

References

Published by the National Vulnerability Database Sep 20, 2023
Published to the GitHub Advisory Database Sep 20, 2023
Reviewed Sep 21, 2023
Last updated Apr 28, 2024

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2019-19450

GHSA ID

GHSA-pj98-2xf6-cff5

Source code

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