Use-after-free in Adobe Acrobat and Adobe Reader - CVE-2020-3802
Published: March 17, 2020 / Updated: March 19, 2020
Vulnerability identifier: #VU26140
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-2020-3802
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing form objects within XFA templates in PDF files. A remote unauthenticated attacker can create a specially crafted PDF file, trick the victim into opening it, trigger a use-after-free error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Adobe Acrobat
Adobe Reader
Adobe Reader
How to mitigate CVE-2020-3802
Install updates from vendor's website.
Adobe Acrobat - addressed in versions 15.006.30518, 17.011.30166, 20.006.20042
Adobe Reader - addressed in versions 15.006.30518, 17.011.30166, 20.006.20042
Adobe Reader - addressed in versions 15.006.30518, 17.011.30166, 20.006.20042