CVE-2022-35671 Explained : Impact and Mitigation

Adobe Acrobat Reader versions 22.001.20169, 20.005.30362, and 17.012.30249 are affected by an out-of-bounds read vulnerability, potentially leading to sensitive memory disclosure by bypassing mitigations like ASLR.

Understanding CVE-2022-35671

This CVE relates to an information disclosure vulnerability in Adobe Acrobat Reader DC due to font parsing issues.

What is CVE-2022-35671?

Adobe Acrobat Reader versions mentioned are prone to an out-of-bounds read flaw allowing attackers to view sensitive memory contents. Exploiting this requires user interaction through opening a malicious file.

The Impact of CVE-2022-35671

The vulnerability's exploitation could enable threat actors to access sensitive data, potentially compromising the confidentiality of affected systems.

Technical Details of CVE-2022-35671

This section provides detailed insights into the vulnerability.

Vulnerability Description

The CVE stems from a font parsing flaw in Adobe Acrobat Reader, allowing attackers to read sensitive memory beyond the intended boundaries.

Affected Systems and Versions

Impacted versions include Adobe Acrobat Reader versions 22.001.20169, 20.005.30362, and 17.012.30249.

Exploitation Mechanism

The vulnerability requires user interaction, where victims inadvertently trigger the exploit by opening a specifically crafted file.

Mitigation and Prevention

Understanding how to mitigate the risks posed by CVE-2022-35671 is crucial.

Immediate Steps to Take

Users are advised to exercise caution while opening PDF files, especially those from untrusted sources.

Long-Term Security Practices

Regularly updating Adobe Acrobat Reader to the latest version can help protect systems from known vulnerabilities.

Patching and Updates

Adobe has released security updates to address this vulnerability in affected versions. Users should promptly apply these patches to safeguard their systems.