Executive Summary

Title ReportLab vulnerability
Name USN-4273-1 First vendor Publication 2020-02-06
Vendor Ubuntu Last vendor Modification 2020-02-06
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS


ReportLab could be made to run programs as your login if it opened a specially crafted file.

Software Description: - python-reportlab: library to create PDF documents


It was discovered that ReportLab incorrectly handled certain XML documents. If a user or automated system were tricked into processing a specially crafted document, a remote attacker could possibly use this issue to execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.10:
python-reportlab 3.5.23-1ubuntu0.1
python3-reportlab 3.5.23-1ubuntu0.1

Ubuntu 18.04 LTS:
python-reportlab 3.4.0-3ubuntu0.1
python3-reportlab 3.4.0-3ubuntu0.1

Ubuntu 16.04 LTS:
python-reportlab 3.3.0-1ubuntu0.1
python3-reportlab 3.3.0-1ubuntu0.1

In general, a standard system update will make all the necessary changes.


Package Information:

Original Source

Url : http://www.ubuntu.com/usn/USN-4273-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-91 XML Injection (aka Blind XPath Injection)

CPE : Common Platform Enumeration

Application 1

Alert History

If you want to see full details history, please login or register.
Date Informations
2020-05-23 13:03:46
  • Multiple Updates
2020-03-19 13:20:14
  • First insertion