The vulnerability, tracked as CVE-2024-4577, allows attackers to exploit PHP's Unicode conversion errors to execute malicious code on web servers through argument injection, bypassing a 2012 patch.
Exploits target CGI mode in PHP, potentially affecting systems with PHP executables in web-accessible directories like XAMPP, requiring the Windows locale to be Chinese or Japanese.
Threat actors quickly leveraged CVE-2024-4577 after its June 6 publication to infect servers with TellYouThePass ransomware, demanding around $6,500 for decryption.
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