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?

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

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