Heap-based buffer overflow in Adobe Reader and Adobe Acrobat - CVE-2020-24435

 

Heap-based buffer overflow in Adobe Reader and Adobe Acrobat - CVE-2020-24435

Published: November 3, 2020 / Updated: November 5, 2020


Vulnerability identifier: #VU48117
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-2020-24435
CWE-ID: CWE-122
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 JavaScript submitForm elements in PDF files. 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.


Affected software

Adobe Reader
Adobe Acrobat

How to mitigate CVE-2020-24435

Install updates from vendor's website.

Adobe Reader - addressed in versions 17.011.30180, 20.001.30010, 20.013.20064
Adobe Acrobat - addressed in versions 17.011.30180, 20.001.30010, 20.013.20064

External References

Related Security Bulletins