CVE-2022-28821 Explained : Impact and Mitigation

Adobe FrameMaker versions 2019u8 and earlier, as well as 2020u4 and earlier, are vulnerable to an out-of-bounds write vulnerability that could lead to arbitrary code execution in the context of the current user. This vulnerability has a high impact severity with a CVSS base score of 7.8.

Understanding CVE-2022-28821

This CVE record highlights a critical out-of-bounds write vulnerability in Adobe FrameMaker that could result in remote code execution.

What is CVE-2022-28821?

Adobe FrameMaker versions 2019u8 and earlier, and 2020u4 and earlier, are affected by an out-of-bounds write vulnerability that can allow an attacker to execute arbitrary code on the victim's system. User interaction is required for the exploit to be successful.

The Impact of CVE-2022-28821

The vulnerability has a high impact severity, with a CVSS base score of 7.8. If exploited, an attacker could achieve arbitrary code execution in the context of the current user, potentially leading to a complete compromise of the affected system.

Technical Details of CVE-2022-28821

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Adobe FrameMaker is classified as an out-of-bounds write (CWE-787) issue, allowing attackers to write data beyond the legitimate boundaries of an array, leading to potential code execution.

Affected Systems and Versions

Adobe FrameMaker versions 2019u8 and earlier, and 2020u4 and earlier, are confirmed to be impacted by this vulnerability. Users of these versions are at risk of exploitation.

Exploitation Mechanism

Exploiting this vulnerability requires user interaction, where the victim needs to open a malicious file crafted by the attacker to trigger the out-of-bounds write and execute arbitrary code.

Mitigation and Prevention

Understanding the necessary steps to mitigate and prevent exploitation is crucial.

Immediate Steps to Take

Users of affected Adobe FrameMaker versions should be cautious while opening files and avoid interacting with unsolicited or suspicious content to prevent exploitation of this vulnerability.

Long-Term Security Practices

Incorporating secure coding practices and regular security updates can bolster the overall security posture to mitigate similar vulnerabilities in the future.

Patching and Updates

Adobe has provided security updates to address this vulnerability. Users are strongly advised to apply the latest patches and updates from Adobe to protect their systems from potential exploitation.