CVE-2019-19450

python-reportlab: code injection in paraparser.py allows code execution

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

paraparser en ReportLab anterior a 3.5.31 permite la ejecución remota de código porque start_unichar en paraparser.py evalúa la entrada de un usuario que no es de confianza en un elemento unichar en un documento XML manipulado con '

A code injection vulnerability was found in python-reportlab that may allow an attacker to execute code while parsing a unichar element attribute. An application that uses python-reportlab to parse untrusted input files may be vulnerable and could allow remote code execution.

Python-reportlab is a library used for generation of PDF documents. Issues addressed include a code execution vulnerability.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-11-29 CVE Reserved
2023-09-20 CVE Published
2024-08-05 CVE Updated
2025-04-06 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-91: XML Injection (aka Blind XPath Injection)

CAPEC

References (7)

URL	Tag	Source
https://github.com/MrBitBucket/reportlab-mirror/blob/master/CHANGES.md	Release Notes
https://lists.debian.org/debian-lts-announce/2023/09/msg00037.html	Mailing List
https://pastebin.com/5MicRrr4	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHMCB2GJQKFMGVO5RWHN222NQL5XYPHZ	2024-04-28
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HADPTB3SBU7IVRMDK7OL6WSQRU5AFWDZ	2024-04-28
https://access.redhat.com/security/cve/CVE-2019-19450	2023-10-17
https://bugzilla.redhat.com/show_bug.cgi?id=2239920	2023-10-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Reportlab Search vendor "Reportlab"		Reportlab Search vendor "Reportlab" for product "Reportlab"				< 3.5.31 Search vendor "Reportlab" for product "Reportlab" and version " < 3.5.31"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected