CVE-2020-8869 : Exploit Details and Defense Strategies
Learn about CVE-2020-8869, a high-severity vulnerability in Foxit Studio Photo 3.6.6.916 allowing remote code execution. Find out the impact, affected systems, and mitigation steps.
A vulnerability in Foxit Studio Photo 3.6.6.916 allows remote attackers to execute arbitrary code, posing a significant risk to affected systems.
Understanding CVE-2020-8869
This CVE involves a stack-based buffer overflow vulnerability in Foxit Studio Photo, potentially leading to code execution by malicious actors.
What is CVE-2020-8869?
The vulnerability in Foxit Studio Photo 3.6.6.916 enables remote attackers to execute arbitrary code by exploiting a flaw in handling TIF files. User interaction is necessary, requiring the victim to access a malicious page or open a corrupted file.
The Impact of CVE-2020-8869
The severity of this vulnerability is rated as high, with a CVSS base score of 7.8. The confidentiality, integrity, and availability of affected systems are all at risk.
Technical Details of CVE-2020-8869
This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The flaw arises from inadequate validation of user-supplied data length before copying it to a fixed-length stack-based buffer, allowing attackers to execute code within the current process.
Affected Systems and Versions
- Product: Studio Photo
- Vendor: Foxit
- Version: 3.6.6.916
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
Mitigation and Prevention
Protecting systems from CVE-2020-8869 involves immediate actions and long-term security practices.
Immediate Steps to Take
- Update Foxit Studio Photo to a patched version immediately.
- Avoid opening files or visiting websites from untrusted or suspicious sources.
Long-Term Security Practices
- Implement robust cybersecurity measures, including firewalls and intrusion detection systems.
- Educate users on safe browsing habits and the risks of opening unknown files.
Patching and Updates
Regularly check for security updates from Foxit and apply patches promptly to mitigate the risk of exploitation.