CVE-2020-24432 : Vulnerability Insights and Analysis

Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier), and 2017.011.30175 (and earlier) are affected by an improper input validation vulnerability that could lead to arbitrary JavaScript execution.

Understanding CVE-2020-24432

Adobe Acrobat Reader DC is susceptible to an improper input validation flaw that could allow an attacker to execute arbitrary JavaScript in the context of the current user.

What is CVE-2020-24432?

The vulnerability in Acrobat Reader DC versions could be exploited by modifying a trusted PDF document to execute malicious JavaScript when opened by the victim.

The Impact of CVE-2020-24432

CVSS Base Score: 6.7 (Medium Severity)
Attack Vector: Local
Attack Complexity: High
Privileges Required: Low
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2020-24432

Adobe Acrobat Reader DC is affected by an improper input validation vulnerability that allows for arbitrary JavaScript execution.

Vulnerability Description

The vulnerability could result in arbitrary JavaScript execution in the context of the current user, requiring the victim to open a modified PDF document.

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

To exploit this issue, an attacker must acquire and modify a certified PDF document trusted by the victim and convince the victim to open the document.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-24432.

Immediate Steps to Take

Update Adobe Acrobat Reader DC to the latest version.
Be cautious when opening PDF files from untrusted sources.
Implement security awareness training to educate users about potential threats.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Utilize security tools like antivirus software and firewalls to enhance protection.

Patching and Updates

Adobe has released patches to address the vulnerability. Ensure that your Acrobat Reader DC is updated to the latest version to mitigate the risk of exploitation.