CVE-2023-1236: 
vulnerability analysis and mitigation

A vulnerability identified as CVE-2023-1236 was discovered in Google Chrome's Internals component prior to version 111.0.5563.64. The vulnerability was reported by Alesandro Ortiz on October 14, 2022, and was publicly disclosed on March 7, 2023. The issue relates to inappropriate implementation that could allow iframe origin spoofing (Chrome Release).

The vulnerability has been assigned a CVSS 3.1 score of 4.3 (Medium severity). The technical assessment indicates the following characteristics: network-based attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, no impact on confidentiality, low integrity impact, and no availability impact. The CVSS vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N (Ubuntu Security).

The vulnerability could allow a remote attacker to spoof the origin of an iframe through a specially crafted HTML page. This could potentially lead to integrity issues, though the overall severity was rated as Low by the Chromium security team (Chrome Release).

Google addressed this vulnerability in Chrome version 111.0.5563.64. Users are advised to update their Chrome browsers to this version or later to receive the fix. For Ubuntu systems, particularly version 18.04 LTS (bionic), the fix was implemented in version 111.0.5563.64-0ubuntu0.18.04.5 (Ubuntu Security).