CVE-2020-7828 : Security Advisory and Response

DaviewIndy 8.98.4 and earlier versions contain a Heap-based overflow vulnerability that could allow attackers to execute arbitrary code.

Understanding CVE-2020-7828

What is CVE-2020-7828?

DaviewIndy is susceptible to a Heap-based Buffer Overflow vulnerability that can be triggered by opening a malformed file mishandled by Daview.exe, potentially leading to arbitrary code execution.

The Impact of CVE-2020-7828

The vulnerability has a CVSS base score of 7.8, indicating a high severity issue with significant impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2020-7828

Vulnerability Description

The vulnerability arises due to a Heap-based Buffer Overflow in DaviewIndy versions <= 8.98.4, allowing attackers to exploit the flaw by manipulating specific files.

Affected Systems and Versions

Affected Platforms: Windows
Affected Product: DavieIndy
Affected Version: 8.98.4 (custom version)

Exploitation Mechanism

The vulnerability can be exploited locally without the need for any special privileges, requiring user interaction to open a malicious file triggering the overflow.

Mitigation and Prevention

Immediate Steps to Take

Update DaviewIndy to a patched version that addresses the Heap-based Buffer Overflow.
Avoid opening files from untrusted or unknown sources to mitigate the risk of exploitation.

Long-Term Security Practices

Implement regular security training to educate users on identifying and handling potentially malicious files.
Employ network and endpoint security solutions to detect and prevent exploitation attempts.

Patching and Updates

Apply security patches and updates provided by HumanTalk for DaviewIndy to remediate the vulnerability.