CVE-2023-21595 : What You Need to Know

This CVE record relates to an out-of-bounds write vulnerability in Adobe InCopy, which could potentially lead to remote code execution.

Understanding CVE-2023-21595

This section provides insights into what CVE-2023-21595 entails and the impact it may have.

What is CVE-2023-21595?

CVE-2023-21595 is an out-of-bounds write vulnerability affecting Adobe InCopy versions 18.0 and earlier, as well as 17.4 and earlier. This flaw could allow an attacker to execute arbitrary code within the context of the current user. Exploiting this vulnerability requires user interaction, typically through opening a malicious file.

The Impact of CVE-2023-21595

The impact of CVE-2023-21595 is significant, with the potential for high confidentiality, integrity, and availability impacts. The CVSS base score of 7.8 categorizes this vulnerability as high severity.

Technical Details of CVE-2023-21595

This section delves into the specific technical aspects of CVE-2023-21595.

Vulnerability Description

The vulnerability in Adobe InCopy involves an out-of-bounds write issue, categorized under CWE-787. This type of vulnerability can allow an attacker to manipulate data outside the bounds of an allocated memory buffer, potentially leading to unauthorized access or code execution.

Affected Systems and Versions

Adobe InCopy versions 18.0 and earlier, as well as 17.4 and earlier, are confirmed to be affected by this vulnerability. Users of these versions are at risk of exploitation if proper mitigation measures are not implemented.

Exploitation Mechanism

Exploiting CVE-2023-21595 requires user interaction, where a victim unknowingly opens a malicious file crafted to trigger the out-of-bounds write vulnerability. Upon successful exploitation, an attacker could execute arbitrary code on the targeted system.

Mitigation and Prevention

To safeguard systems from the risks posed by CVE-2023-21595, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Users are advised to apply security patches and updates provided by Adobe promptly. Additionally, exercise caution when handling untrusted files or content, especially from unknown or suspicious sources.

Long-Term Security Practices

Maintaining a proactive approach to cybersecurity by implementing robust security measures, educating users on safe computing practices, and regularly updating software are crucial for mitigating similar vulnerabilities in the future.

Patching and Updates

Adobe has released patches addressing the CVE-2023-21595 vulnerability. Users should ensure their Adobe InCopy installations are updated to the latest version to eliminate the risk of exploitation associated with this security flaw.