CVE-2021-42734 : Exploit Details and Defense Strategies
Learn about CVE-2021-42734 affecting Adobe Photoshop versions 22.5.1 and earlier. Discover how this out-of-bounds read vulnerability can expose sensitive memory data and the necessary mitigation steps.
Adobe Photoshop version 22.5.1 and earlier versions are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Understanding CVE-2021-42734
What is CVE-2021-42734?
Adobe Photoshop versions 22.5.1 and earlier are susceptible to an out-of-bounds read vulnerability that could result in the exposure of sensitive memory data.
The Impact of CVE-2021-42734
The vulnerability could allow an attacker to access sensitive information stored in the memory of the affected application, potentially leading to data disclosure.
Technical Details of CVE-2021-42734
Vulnerability Description
The vulnerability in Adobe Photoshop involves an out-of-bounds read issue that could be exploited by attackers to access restricted memory data.
Affected Systems and Versions
- Product: Photoshop Desktop
- Vendor: Adobe
- Versions affected: Up to version 22.5.1
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: None
- User Interaction: Required
Mitigation and Prevention
Immediate Steps to Take
- Users should refrain from opening suspicious or untrusted files.
- Apply available security updates provided by Adobe promptly.
Long-Term Security Practices
- Regularly update Adobe Photoshop to the latest version to ensure all security patches are applied.
Patching and Updates
Install the latest patches and updates released by Adobe to address the vulnerability.