SB2023112304 - Ubuntu update for poppler
Published: November 23, 2023
Breakdown by Severity
- 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.