Heap-based buffer overflow in Poppler - CVE-2020-35702
Published: December 25, 2020 / Updated: January 4, 2021
Vulnerability identifier: #VU49250
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-35702
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Poppler
Poppler
Software vendor:
Freedesktop.org
Freedesktop.org
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability affects builds from Poppler git clones in late December 2020 and not the official Poppler release.
Remediation
Install update from vendor's website.