CVE-2021-43749 : Exploit Details and Defense Strategies
Learn about CVE-2021-43749, a vulnerability in Adobe Premiere Rush versions 1.5.16 and earlier, allowing for a local denial-of-service attack. Find mitigation steps and patching recommendations here.
Adobe Premiere Rush versions 1.5.16 and earlier are vulnerable to a Null pointer dereference issue, allowing unauthenticated attackers to trigger a denial-of-service attack. This CVE poses a medium-level threat with a CVSS base score of 5.5.
Understanding CVE-2021-43749
Adobe Premiere Rush NULL Pointer Dereference Local Denial-of-Service
What is CVE-2021-43749?
CVE-2021-43749 is a vulnerability in Adobe Premiere Rush versions 1.5.16 and older, leading to a Null pointer dereference flaw that enables malicious actors to execute a denial-of-service attack.
The Impact of CVE-2021-43749
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Availability Impact: High
- Exploitation of this vulnerability allows an unauthenticated attacker to disrupt application services in the context of the affected user.
Technical Details of CVE-2021-43749
Vulnerability Description
The vulnerability arises from a Null pointer dereference flaw in Adobe Premiere Rush, version 1.5.16, and below. Attackers can exploit this issue by tricking users into opening a malicious file, leading to a denial-of-service scenario.
Affected Systems and Versions
- Affected Systems: Adobe Premiere Rush
- Affected Versions: 1.5.16 and earlier
Exploitation Mechanism
To exploit this vulnerability, an attacker needs a victim to interact with a specially crafted malicious file, triggering the Null pointer dereference flaw and instigating a denial-of-service situation.
Mitigation and Prevention
Immediate Steps to Take
- Adobe recommends users to update Premiere Rush to the latest version to mitigate this vulnerability.
- Be cautious while opening files from untrusted sources to prevent exploitation of this issue.
Long-Term Security Practices
- Regularly update and patch software to protect against known vulnerabilities.
- Educate users about safe practices when handling files and interacting with software.
Patching and Updates
Adobe has released patches addressing this vulnerability. Ensure your software is up to date to prevent exploitation.