CVE-2021-42528 : Security Advisory and Response
Learn about CVE-2021-42528 impacting XMP Toolkit versions up to 2021.07, allowing an attacker to execute a denial-of-service attack. Find mitigation steps and security practices to stay protected.
XMP Toolkit 2021.07 (and earlier) is affected by a Null pointer dereference vulnerability allowing an attacker to achieve application denial-of-service through a specially crafted file.
Understanding CVE-2021-42528
What is CVE-2021-42528?
The vulnerability in XMP Toolkit allows an unauthenticated attacker to exploit a Null pointer dereference issue, resulting in an application denial-of-service within the user's context.
The Impact of CVE-2021-42528
This vulnerability requires user interaction where a victim needs to open a malicious file to trigger the exploit.
Technical Details of CVE-2021-42528
Vulnerability Description
The vulnerability in XMP Toolkit arises from a Null pointer dereference when parsing a specially crafted file, leading to a denial-of-service.
Affected Systems and Versions
- Vendor: Adobe
- Product: XMP Toolkit
- Versions affected: up to 2021.07
Exploitation Mechanism
- Attack Vector: Local
- Attack Complexity: Low
- User Interaction: Required
- Impact: High availability impact
- Base Score: 5.5 (Medium)
Mitigation and Prevention
Immediate Steps to Take
- Update XMP Toolkit to a patched version
- Avoid opening files from untrusted sources
Long-Term Security Practices
- Regularly update software and security patches
- Educate users on safe file handling practices
Patching and Updates
Apply the security update provided by Adobe to mitigate the vulnerability.