CVE-2023-48629 : Exploit Details and Defense Strategies

Adobe Substance 3D Sampler version 4.2.1 and earlier are affected by an out-of-bounds write vulnerability leading to potential arbitrary code execution. This article provides an overview of the CVE-2023-48629 vulnerability and necessary mitigation steps.

Understanding CVE-2023-48629

Adobe Substance 3D Sampler v4.2.1Build3527 OOBW Vulnerability II is a security flaw that allows an attacker to execute arbitrary code by exploiting an out-of-bounds write vulnerability.

What is CVE-2023-48629?

CVE-2023-48629 is an out-of-bounds write vulnerability in Adobe Substance 3D Sampler versions 4.2.1 and earlier. This flaw could be exploited by an attacker to achieve arbitrary code execution in the context of the current user.

The Impact of CVE-2023-48629

The impact of this vulnerability is high, with a CVSS base score of 7.8. It could lead to unauthorized execution of arbitrary code, potentially compromising the confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2023-48629

The vulnerability is rated with a CVSS base score of 7.8, indicating a high severity level with a requirement of user interaction for exploitation.

Vulnerability Description

The vulnerability in Adobe Substance 3D Sampler enables an attacker to trigger an out-of-bounds write scenario and execute arbitrary code within the user context upon opening a malicious file.

Affected Systems and Versions

Adobe Substance 3D Sampler versions 4.2.1 and earlier are impacted by this vulnerability, exposing systems running these versions to potential exploitation.

Exploitation Mechanism

To exploit this vulnerability, an attacker needs to craft a malicious file that, upon opening by the victim, triggers the out-of-bounds write condition, allowing the execution of arbitrary code.

Mitigation and Prevention

Effective mitigation strategies and preventive measures should be implemented to address the risks associated with CVE-2023-48629.

Immediate Steps to Take

Users are advised to update Adobe Substance 3D Sampler to a non-vulnerable version and avoid opening files from untrusted or unknown sources.

Long-Term Security Practices

Maintaining up-to-date software, installing security patches promptly, and exercising caution while handling files can help prevent exploitation of similar vulnerabilities in the future.

Patching and Updates

Adobe has released a security advisory (APSB23-74) detailing the vulnerability and providing patches or updates to address the issue. Users are encouraged to apply the necessary updates to mitigate the risk posed by CVE-2023-48629.