CVE-2020-17421 Explained : Impact and Mitigation
Learn about CVE-2020-17421, a high-severity vulnerability in Foxit Studio Photo 3.6.6.922 allowing remote code execution. Find out the impact, affected systems, and mitigation steps.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio Photo 3.6.6.922. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of NEF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-11194.
Understanding CVE-2020-17421
This CVE affects Foxit Studio Photo version 3.6.6.922.
What is CVE-2020-17421?
CVE-2020-17421 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Foxit Studio Photo 3.6.6.922. The flaw lies in the handling of NEF files due to improper validation of user-supplied data.
The Impact of CVE-2020-17421
The impact of this vulnerability is rated as high, with a CVSS base score of 7.8. It requires user interaction and can lead to high confidentiality, integrity, and availability impacts.
Technical Details of CVE-2020-17421
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability is categorized as CWE-787: Out-of-bounds Write, allowing attackers to write past the end of an allocated structure.
Affected Systems and Versions
- Product: Studio Photo
- Vendor: Foxit
- Version: 3.6.6.922
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
Mitigation and Prevention
Protecting systems from CVE-2020-17421 is crucial to maintaining security.
Immediate Steps to Take
- Update Foxit Studio Photo to a patched version.
- Avoid visiting suspicious or untrusted websites.
- Be cautious when opening files from unknown sources.
Long-Term Security Practices
- Regularly update software and applications.
- Implement security best practices to prevent code execution vulnerabilities.
Patching and Updates
- Apply security patches provided by Foxit promptly to address this vulnerability.