CVE-2024-4978—Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code Vulnerability

Vulnerability Name

Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code Vulnerability

Description

Justice AV Solutions (JAVS) Viewer installer contains a malicious version of ffmpeg.exe, named fffmpeg.exe (SHA256: 421a4ad2615941b177b6ec4ab5e239c14e62af2ab07c6df1741e2a62223223c4). When run, this creates a backdoor connection to a malicious C2 server.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Additional Notes

• Please follow the vendor’s instructions as outlined in the public statements at https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack#remediation and https://www.javs.com/downloads
• https://nvd.nist.gov/vuln/detail/CVE-2024-4978

Related News Articles

• Compromised courtroom recording software was served from vendor’s official siteMay 23, 2024
• JAVS courtroom recording software backdoored in supply chain attackMay 23, 2024
• Compromised recording software was served from vendor’s official site, threat researchers sayMay 23, 2024

Related Weaknesses

• CWE-506