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CVE-2024-20709: Exploit Details and Defense Strategies

This CVE-2024-20709 pertains to an Improper Input Validation vulnerability in Acrobat Reader T5, allowing an unauthenticated attacker to cause a denial-of-service within the user's context.

This CVE-2024-20709 was published by Adobe on January 15, 2024. It pertains to an Improper Input Validation vulnerability affecting Acrobat Reader T5 (MSFT Edge) versions 120.0.2210.91 and earlier. The vulnerability could allow an unauthenticated attacker to cause an application denial-of-service within the current user's context.

Understanding CVE-2024-20709

This section will delve into the details of what CVE-2024-20709 entails.

What is CVE-2024-20709?

CVE-2024-20709 is an Improper Input Validation vulnerability impacting Acrobat Reader T5 (MSFT Edge) versions 120.0.2210.91 and earlier. It can be exploited by an attacker to achieve a denial-of-service within the user's context.

The Impact of CVE-2024-20709

The impact of this vulnerability is rated as MEDIUM severity. An unauthenticated attacker could potentially exploit this vulnerability to disrupt the application's availability for the current user.

Technical Details of CVE-2024-20709

This section will provide more technical insights into CVE-2024-20709.

Vulnerability Description

The vulnerability arises from improper input validation in Acrobat Reader T5 (MSFT Edge) versions 120.0.2210.91 and earlier. Exploiting this flaw requires user interaction, as the victim needs to open a malicious file.

Affected Systems and Versions

The affected product is "Acrobat for Edge" by Adobe, specifically versions 120.0.2210.91 and earlier.

Exploitation Mechanism

Exploiting this vulnerability requires an unauthenticated attacker to leverage the improper input validation issue, resulting in an application denial-of-service in the current user context.

Mitigation and Prevention

To address CVE-2024-20709, the following steps can be taken.

Immediate Steps to Take

Users are advised to update Acrobat Reader T5 (MSFT Edge) to a version beyond 120.0.2210.91 to mitigate the vulnerability's risk.

Long-Term Security Practices

Implementing secure file handling practices and user awareness training on opening files from untrusted sources can mitigate the risk of exploitation.

Patching and Updates

Regularly applying security updates and patches provided by Adobe for Acrobat Reader T5 (MSFT Edge) is crucial in maintaining system security and reducing exposure to potential vulnerabilities.

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