CVE-2023-2462 in Chrome
Summary
by MITRE • 05/03/2023
Inappropriate implementation in Prompts in Google Chrome prior to 113.0.5672.63 allowed a remote attacker to obfuscate main origin data via a crafted HTML page. (Chromium security severity: Medium)
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Analysis
by VulDB Data Team • 05/25/2023
This vulnerability resides in the Chrome browser's handling of prompt implementations, specifically affecting versions prior to 113.0.5672.63. The issue stems from an inadequate validation mechanism that fails to properly sanitize or restrict the display of origin information when processing crafted HTML content. The flaw manifests when a remote attacker constructs a malicious webpage that manipulates how origin data appears to users, potentially leading to confusion about the true source of content or interactions.
The technical implementation flaw involves the browser's prompt system not adequately separating or validating the main origin context from user-supplied content. When Chrome processes HTML pages containing crafted elements, the prompt interface fails to maintain proper isolation between legitimate origin information and potentially maliciously constructed data. This creates an environment where attackers can manipulate how the browser presents origin details to users, effectively obfuscating the actual source of web interactions.
From an operational perspective, this vulnerability poses a medium security risk that could be exploited in phishing attacks or social engineering campaigns. Attackers could craft web pages that display misleading origin information, making it appear that malicious actions are coming from trusted sources. The obfuscation of main origin data undermines user trust and can lead to unauthorized actions being performed under false pretenses, particularly in scenarios where users rely on origin information to make security decisions.
The vulnerability aligns with CWE-20, which addresses improper input validation, and relates to ATT&CK technique T1566, specifically the use of social engineering through deceptive web content. Organizations should implement immediate browser updates to version 113.0.5672.63 or later, as this addresses the core implementation flaw. Additional mitigations include user education about suspicious origin indicators, implementation of content security policies, and regular security audits of web applications to ensure proper origin handling. Network monitoring solutions should also be configured to detect and alert on unusual prompt behaviors that might indicate exploitation attempts.