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firefox

A compromised web child process could disable web security opening restrictions, leading to a new child process being spawned within the `file://` context. Given a reliable exploit primitive, this new process could be exploited again leading to arbitrary file read. This vulnerability affects Firefox < 109.

CVE-2023-23597 is a security vulnerability affecting Mozilla Firefox versions earlier than 109. The flaw resides in the handling of web child processes, where a compromised child process can disable web security restrictions that normally prevent unsafe operations. Specifically, this vulnerability allows an attacker to spawn a new child process within the file:// URI context. The file:// context has elevated privileges to access local files on the user's system. By leveraging a reliable exploit primitive, an attacker can chain this vulnerability to perform arbitrary file reads on the victim's machine. This could lead to exposure of sensitive files, including configuration files, credentials, or other private data stored locally. The vulnerability does not require user interaction beyond loading malicious content in the browser, but it does require an initial compromise of a web child process, which could be achieved through other browser exploits or malicious web content. There are no known public exploits or active exploitation campaigns reported at the time of disclosure. Mozilla has published the vulnerability details but no direct patch links were provided in the source information; however, upgrading to Firefox 109 or later is known to address this issue. The vulnerability impacts confidentiality primarily, with potential secondary impacts on integrity if sensitive files are manipulated after being read. The lack of a CVSS score necessitates an independent severity assessment based on the technical details and potential impact.

Detailed information about CVE-2023-23597: Vulnerability in Mozilla Firefox affecting Mozilla Firefox. Get real-time updates, technical details, and mitigation 

CVE-2023-23597: Vulnerability in Mozilla Firefox - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-23597: Vulnerability in Mozilla Firefox

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