SB2023112901 - Ubuntu update for poppler



SB2023112901 - Ubuntu update for poppler

Published: November 29, 2023

Security Bulletin ID SB2023112901
Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 20% Low 80%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Uncontrolled recursion (CVE-ID: CVE-2020-23804)

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

The vulnerability exists due to uncontrolled recursion in pdfinfo and pdftops. A remote attacker can pass a specially crafted document to application and perform a denial of service (DoS) attack.


2) Input validation error (CVE-ID: CVE-2022-37050)

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

The vulnerability exists due to insufficient validation of user-supplied input within the PDFDoc::savePageAs() function in PDFDoc.c. A remote attacker can trick the victim to open a specially crafted PDF file and perform a denial of service (DoS) attack.

Note, the vulnerability exists due to incomplete patch for #VU16830 (CVE-2018-20662).


3) Reachable Assertion (CVE-ID: CVE-2022-37051)

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

The vulnerability exists due to a reachable assertion in pdfunite.cc. A remote attacker can trick the victim to open a specially crafted PDF file and crash the application.


4) Reachable Assertion (CVE-ID: CVE-2022-37052)

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

The vulnerability exists due to a reachable assertion in Object::getString(). A remote attacker can trick the victim to open a specially crafted file and crash the application.


5) Reachable Assertion (CVE-ID: CVE-2022-38349)

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

The vulnerability exists due to a reachable assertion within the PDFDoc::replacePageDict() function in PDFDoc.cc. A remote attacker can trick the victim to open a specially crafted PDF file and crash the application.


Remediation

Install update from vendor's website.