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CVE-2023-29059 tracks a software supply chain compromise of the 3CX DesktopApp in which legitimate, digitally signed Windows and macOS Electron builds were distributed with embedded malicious code. Affected Windows versions were 18.12.407 and 18.12.416, and affected macOS versions were 18.11.1213, 18.12.402, 18.12.407, and 18.12.416. The malicious functionality was introduced through altered bundled libraries within the application package. On Windows, a benign application executable loaded a trojanized multimedia library that in turn decrypted and reflectively loaded additional code from another bundled library, then retrieved attacker-controlled command-and-control information and downloaded follow-on payloads. On macOS, a trojanized multimedia library implemented analogous malicious logic with platform-specific command-and-control handling. The vulnerability is classified as CWE-506 because the trusted software package itself contained embedded malicious code rather than an accidental implementation flaw.
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A vulnerability affecting vulnerable 3CX Desktop App 18.12.x versions, specifically 18.12.407 and 18.12.416, associated with the 3CX supply chain attack and potentially enabling unauthorized access, code execution, or further system compromise.
A specific vulnerability identifier referenced in the context of the 3CX supply chain attack detection content.
A CVE assigned to the 3CX Desktop App supply chain compromise in which legitimate signed 3CX Windows and macOS desktop application builds were trojanized with embedded malicious code.
A code execution vulnerability affecting 3CX referenced as leveraged by threat actors.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.