CVE-2023-2465: 
vulnerability analysis and mitigation

CVE-2023-2465 is a security vulnerability discovered in Google Chrome's Cross-Origin Resource Sharing (CORS) implementation. The vulnerability was reported by @kunte_ctf on December 10, 2022, and affects versions of Google Chrome prior to 113.0.5672.63. This security issue was classified with medium severity and was patched as part of Chrome's stable channel update (Chrome Release).

The vulnerability stems from an inappropriate implementation in the Cross-Origin Resource Sharing (CORS) mechanism in Google Chrome. The issue was assigned a medium severity rating by the Chrome security team and was fixed in version 113.0.5672.63. A bounty of $1,000 was awarded to the researcher who discovered this vulnerability (Chrome Release).

The vulnerability could allow a remote attacker to leak cross-origin data through a specially crafted HTML page (NVD). This type of vulnerability could potentially lead to unauthorized access to sensitive information across different origins.

The vulnerability has been fixed in Chrome version 113.0.5672.63. Users and administrators are advised to upgrade to this version or later. The fix has been incorporated into various distributions including Debian (113.0.5672.63-1~deb11u1), Fedora, and other Chrome-based browsers (Debian Security, Gentoo Security).