Justice AV Solutions JVS Viewer Embedded Malicious Code (CVE-2024-4978)

The version of Justice AV Solutions JVS Viewer installed on the remote host is 8.3.7. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-4978 advisory. - Justice AV Solutions Viewer Setup 8.3.7.250-1 contains a malicious binary when executed and is signed with an unexpect...

Supply Chain Attack against Courtroom Software

No word on how this backdoor was installed: A software maker serving more than 10,000 courtrooms throughout the world hosted an application update containing a hidden backdoor that maintained persistent communication with a malicious website, researchers reported Thursday, in the latest episode o...

Justice AV Solutions JVS Viewer Installed (Windows)

Binary data justiceavsolutionsjavsviewerinstalled.nbin...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-4978 Justice AV Solutions JAVS Viewer Installer Embedded Malicious Code Vulnerability These types of vulnerabilities are frequent attack vectors for malicious...

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

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...

CVE-2024-4978: Backdoored Justice AV Solutions Viewer Software Used in Apparent Supply Chain Attack

The following Rapid7 team members contributed to this blog: Ipek Solak, Thomas Elkins, Evan McCann, Matthew Smith, Jake McMahon, Tyler McGraw, Ryan Emmons, Stephen Fewer, and John Fenninger Overview Justice AV Solutions JAVS is a U.S.-based company specializing in digital audio-visual recording...

CVE-2024-4978

Justice AV Solutions Viewer Setup 8.3.7.250-1 contains a malicious binary when executed and is signed with an unexpected authenticode signature. A remote, privileged threat actor may exploit this vulnerability to execute of unauthorized PowerShell commands...

CVE-2024-4978 Malicious Code in Justice AV Solutions (JAVS) Viewer

Justice AV Solutions Viewer Setup 8.3.7.250-1 contains a malicious binary when executed and is signed with an unexpected authenticode signature. A remote, privileged threat actor may exploit this vulnerability to execute of unauthorized PowerShell commands...

CVE-2024-4978 Malicious Code in Justice AV Solutions (JAVS) Viewer

Justice AV Solutions Viewer Setup 8.3.7.250-1 contains a malicious binary when executed and is signed with an unexpected authenticode signature. A remote, privileged threat actor may exploit this vulnerability to execute of unauthorized PowerShell commands...

CVE-2024-4978

CVE-2024-4978 affects Justice AV Solutions (JAVS) Viewer v8.3.7 installed via the 8.3.7.250-1 bundle. The advisory documents a malicious binary (fffmpeg.exe) embedded in the installer and signed with an unexpected Vanguard Tech Limited Authenticode certificate. When executed, the binary can estab...

VulnCheck KEV: CVE-2024-4978

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...