CVE-2021-44708 : Security Advisory and Response

Adobe Acrobat Pro DC Heap Overflow vulnerability could lead to arbitrary code execution.

Understanding CVE-2021-44708

What is CVE-2021-44708?

Adobe Acrobat Reader versions 21.007.20099 and earlier are prone to a heap overflow vulnerability due to insecure handling of a crafted file, potentially allowing arbitrary code execution in the context of the current user.

The Impact of CVE-2021-44708

This vulnerability has a CVSS base score of 7.8, indicating a high severity issue with impacts including high confidentiality, integrity, and availability risks. User interaction is required for exploitation, where a victim must open a malicious file.

Technical Details of CVE-2021-44708

Vulnerability Description

The vulnerability in Acrobat Reader DC versions allows for a heap overflow due to incorrect handling of specially crafted files, leading to potential arbitrary code execution.

Affected Systems and Versions

Adobe Acrobat Reader DC version 21.007.20099 and earlier
Adobe Acrobat Reader DC version 20.004.30017 and earlier
Adobe Acrobat Reader DC version 17.011.30204 and earlier
Adobe Acrobat Reader DC version None (unspecified)

Exploitation Mechanism

Exploiting this vulnerability requires a victim to interact by opening a malicious file, triggering the heap overflow and potentially allowing an attacker to execute arbitrary code.

Mitigation and Prevention

Immediate Steps to Take

Update Acrobat Reader to the latest version available from Adobe.
Be cautious while opening files from untrusted sources.

Long-Term Security Practices

Regularly educate users on safe file handling practices.
Implement robust security measures to detect and prevent similar vulnerabilities.
Consider utilizing additional security solutions such as endpoint protection.

Patching and Updates

Stay informed about security advisories from Adobe and apply patches promptly to mitigate risks.