NULL pointer dereference in Poppler - CVE-2020-36024

 

NULL pointer dereference in Poppler - CVE-2020-36024

Published: August 21, 2023


Vulnerability identifier: #VU79770
CSH Severity: Medium
CVSS v4.0: 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
CVE-ID: CVE-2020-36024
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Freedesktop.org
Affected software:
Poppler

Detailed vulnerability description

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

The vulnerability exists due to a NULL pointer dereference error within the FoFiType1C::convertToType1() function. A remote attacker can pass specially crafted PDF file to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2020-36024

Install updates from vendor's website.

Sources