CVE-2020-24435 : What You Need to Know

Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier), and 2017.011.30175 (and earlier) are affected by a heap-based buffer overflow vulnerability in the submitForm function, potentially leading to arbitrary code execution.

Understanding CVE-2020-24435

This CVE involves a critical vulnerability in Adobe Acrobat Reader DC that could allow an attacker to execute arbitrary code on a victim's system.

What is CVE-2020-24435?

The vulnerability in Acrobat Reader DC versions allows for a heap-based buffer overflow, which can be exploited by enticing a user to open a specially crafted PDF file, leading to potential arbitrary code execution.

The Impact of CVE-2020-24435

The vulnerability poses a high risk as it could result in arbitrary code execution in the context of the current user, potentially leading to a complete compromise of the affected system.

Technical Details of CVE-2020-24435

Adobe Acrobat Reader DC is susceptible to a critical heap-based buffer overflow vulnerability.

Vulnerability Description

The vulnerability exists in the submitForm function of Acrobat Reader DC, allowing an attacker to trigger a heap-based buffer overflow.

Affected Systems and Versions

Adobe Acrobat Reader DC versions 2020.012.20048 and earlier
Adobe Acrobat Reader DC versions 2020.001.30005 and earlier
Adobe Acrobat Reader DC versions 2017.011.30175 and earlier

Exploitation Mechanism

Exploitation of this vulnerability requires user interaction, where a victim must open a maliciously crafted PDF file in Acrobat Reader DC.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-24435.

Immediate Steps to Take

Update Adobe Acrobat Reader DC to the latest version to patch the vulnerability.
Exercise caution when opening PDF files from untrusted or unknown sources.
Consider using alternative PDF readers until the patch is applied.

Long-Term Security Practices

Regularly update software and applications to ensure the latest security patches are in place.
Educate users on safe browsing habits and the risks associated with opening files from unknown sources.

Patching and Updates

Adobe has released security updates to address the vulnerability. It is recommended to apply the latest patches promptly to secure systems against potential exploitation.