Out-of-bounds write in Foxit PDF Editor (formerly Foxit PhantomPDF) and Foxit PDF Reader for Windows - CVE-2020-27860
Published: December 9, 2020 / Updated: December 30, 2020
Vulnerability identifier: #VU48904
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-27860
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error while processing certain XFA templates. A remote attacker can create a specially crafted PDF file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
Affected software
Foxit PDF Editor (formerly Foxit PhantomPDF)
Foxit PDF Reader for Windows
Foxit PDF Reader for Windows
How to mitigate CVE-2020-27860
Install updates from vendor's website.
Foxit PDF Editor (formerly Foxit PhantomPDF) - addressed in versions 9.7.5.29616, 10.1.1.37576
Foxit PDF Reader for Windows - update to 10.1.1.37576
Foxit PDF Reader for Windows - update to 10.1.1.37576