CVE-2021-42722 : Vulnerability Insights and Analysis

Adobe Bridge version 11.1.1 (and earlier) is affected by an out-of-bounds read vulnerability that could lead to Arbitrary Code Execution.

Understanding CVE-2021-42722

Adobe Bridge is prone to an out-of-bounds read vulnerability that can be exploited by an attacker to execute arbitrary code within the context of the user, potentially leading to serious security risks.

What is CVE-2021-42722?

Adobe Bridge versions 11.1.1 and earlier are impacted by an out-of-bounds read vulnerability during the parsing of a specially crafted file.
This vulnerability could allow an attacker to trigger a read beyond the allocated memory structure, leading to potential code execution.
Successful exploitation requires user interaction, such as opening a malicious file.

The Impact of CVE-2021-42722

CVSS Base Score: 7.8 (High)
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact: High confidentiality, integrity, and availability impact with low attack complexity.

Technical Details of CVE-2021-42722

Adobe Bridge's vulnerability can be further understood through the following technical aspects:

Vulnerability Description

The vulnerability involves an out-of-bounds read issue in Adobe Bridge.

Affected Systems and Versions

Affected Product: Adobe Bridge
Vulnerable Versions:
Version 11.1.1 (and earlier) is confirmed to be impacted.
The specific versions affected are unspecified.

Exploitation Mechanism

When a crafted file is processed, the vulnerability triggers a read operation beyond the intended memory space.
By enticing a user to open a malicious file, an attacker could exploit this flaw to execute code within the user's context.

Mitigation and Prevention

Protecting systems from CVE-2021-42722 involves the following steps:

Immediate Steps to Take

Update Adobe Bridge to a non-vulnerable version.
Avoid opening files from untrusted or unknown sources to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Educate users on safe file handling practices and potential security threats.

Patching and Updates

Adobe has likely released patches addressing this vulnerability; ensure to apply these updates promptly.