SB2023081411 - Ubuntu update for pypdf2



SB2023081411 - Ubuntu update for pypdf2

Published: August 14, 2023

Security Bulletin ID SB2023081411
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Inefficient algorithmic complexity (CVE-ID: CVE-2023-36810)

CWE-ID: CWE-407 - Inefficient Algorithmic Complexity

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to inefficient algorithmic complexity when parsing PDF files, which can lean to an unexpected long runtime. A remote attacker can pass a specially crafted PDF file to the application and consume all available CPU resources.


Remediation

Install update from vendor's website.