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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

php-src

In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function.

CVE-2024-2757 is a denial-of-service vulnerability identified in the PHP Group's PHP language, specifically affecting versions 8.3.* before 8.3.5. The root cause lies in the mb_encode_mimeheader() function, which is designed to encode MIME headers for multibyte character sets. When this function processes input strings that contain long sequences of non-space characters followed by a space, it can enter an infinite loop, causing the PHP process to hang indefinitely. This behavior can be exploited by a remote attacker who sends crafted input data to an application using this function, leading to resource exhaustion and denial of service. The vulnerability does not affect confidentiality or integrity but severely impacts availability. It requires no authentication or user interaction, making it remotely exploitable over the network. The CVSS v3.1 base score is 7.5 (High), with vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, and high impact on availability. Although no known exploits are reported in the wild yet, the vulnerability is significant due to the widespread use of PHP in web applications. The CWE classification is CWE-400 (Uncontrolled Resource Consumption), highlighting the risk of resource exhaustion attacks. The vulnerability was reserved in March 2024 and published in April 2024, with no official patch links yet, implying that users should monitor for updates and apply patches promptly once released.

Detailed information about CVE-2024-2757: Vulnerability in PHP Group PHP affecting PHP Group PHP. Get real-time updates, technical details, and mitigation strat

CVE-2024-2757: Vulnerability in PHP Group PHP - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-2757: Vulnerability in PHP Group PHP

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