CVE-2020-27857 : Vulnerability Insights and Analysis

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 parsing 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.

Understanding CVE-2020-27857

This CVE identifies a critical vulnerability in Foxit Studio Photo version 3.6.6.922.

What is CVE-2020-27857?

Vulnerability Type: Out-of-bounds Write (CWE-787)
CVSS Base Score: 7.8 (High Severity)
Attack Vector: Local
User Interaction: Required
Impact: High Confidentiality, Integrity, and Availability

The Impact of CVE-2020-27857

This vulnerability can have severe consequences:

Remote attackers can execute arbitrary code on affected systems.
User interaction is necessary, typically through visiting a malicious website or opening a malicious file.

Technical Details of CVE-2020-27857

Foxit Studio Photo 3.6.6.922 is susceptible to the following:

Vulnerability Description

The flaw lies in the parsing of NEF files, 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

Attackers can exploit this vulnerability by tricking users into interacting with malicious content, leading to arbitrary code execution.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update Foxit Studio Photo to a patched version.
Avoid visiting untrusted websites or opening suspicious files.

Long-Term Security Practices

Regularly update software and security patches.
Implement robust security measures to prevent unauthorized code execution.

Patching and Updates

Foxit has likely released a patch to address this vulnerability. Ensure all systems are updated to the latest version.