CVE-2020-24426 Explained : Impact and Mitigation

Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier), and 2017.011.30175 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to the disclosure of sensitive memory. This vulnerability could allow an attacker to bypass mitigations like ASLR, requiring user interaction to exploit.

Understanding CVE-2020-24426

Adobe Acrobat Reader DC Out-Of-Bounds Read Information Disclosure Vulnerability

What is CVE-2020-24426?

CVE-2020-24426 is a vulnerability in Adobe Acrobat Reader DC versions that could result in the exposure of sensitive memory due to an out-of-bounds read issue. Attackers could exploit this vulnerability by tricking users into opening a malicious file.

The Impact of CVE-2020-24426

CVSS Base Score: 3.3 (Low)
Attack Vector: Local
Attack Complexity: Low
User Interaction: Required
Confidentiality Impact: Low
Integrity Impact: None
Availability Impact: None
Privileges Required: None
Scope: Unchanged

Technical Details of CVE-2020-24426

Adobe Acrobat Reader DC Out-Of-Bounds Read Information Disclosure Vulnerability

Vulnerability Description

The vulnerability allows attackers to read sensitive memory out of bounds, potentially leading to information disclosure.

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 vulnerability, an attacker would need to entice a user into opening a specially crafted malicious file.

Mitigation and Prevention

Adobe Acrobat Reader DC Out-Of-Bounds Read Information Disclosure Vulnerability

Immediate Steps to Take

Update Adobe Acrobat Reader DC to the latest version
Be cautious when opening files from unknown or untrusted sources

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities
Educate users on safe browsing habits and file handling practices

Patching and Updates

Ensure that Adobe Acrobat Reader DC is regularly updated to the latest version to mitigate the risk of exploitation.