CVE-2016-1666 in Chrome
Summary
by MITRE
Multiple unspecified vulnerabilities in Google Chrome before 50.0.2661.94 allow attackers to cause a denial of service or possibly have other impact via unknown vectors.
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Analysis
by VulDB Data Team • 08/19/2022
The vulnerability identified as CVE-2016-1666 represents a critical security flaw in Google Chrome browser versions prior to 50.0.2661.94, affecting a broad range of unspecified attack vectors that could potentially lead to denial of service conditions or additional security implications. This vulnerability resides within the browser's core architecture and demonstrates the inherent complexity of modern web browsers that must process vast amounts of untrusted data from multiple sources while maintaining robust security boundaries.
The technical nature of this vulnerability stems from unspecified flaws within Chrome's rendering engine and related components that handle web content processing. These unspecified vectors likely involve memory corruption issues, improper input validation, or buffer overflow conditions that could be exploited through maliciously crafted web pages or content. The vulnerability's classification as affecting "multiple unspecified vulnerabilities" suggests a pattern of similar weaknesses rather than a single discrete flaw, indicating potential architectural issues in how Chrome processes certain types of web content or handles memory management during content rendering operations.
From an operational perspective, this vulnerability creates significant risk for users and organizations relying on Chrome as their primary browser for web browsing activities. Attackers could potentially exploit these unspecified vectors to cause browser crashes, system instability, or in more severe cases, achieve arbitrary code execution or privilege escalation. The denial of service aspect poses particular concern for enterprise environments where browser stability directly impacts productivity and business continuity. The potential for "other impact" suggests that exploitation might extend beyond simple service disruption to include more serious security consequences such as data leakage or persistent compromise of user systems.
The vulnerability aligns with common weakness enumerations such as CWE-119, which addresses memory safety issues, and CWE-125, relating to out-of-bounds read conditions that are frequently exploited in browser-based attacks. From the MITRE ATT&CK framework perspective, this vulnerability could map to techniques involving privilege escalation, defense evasion through process manipulation, and initial access via malicious web content delivery. The attack surface is particularly concerning given Chrome's widespread adoption and the fact that these vulnerabilities could be triggered through simple web page visits without requiring user interaction beyond normal browsing behavior.
Organizations should prioritize immediate patching of affected Chrome installations to mitigate this vulnerability, as the unspecified nature of the attack vectors suggests that exploitation methods may be actively developed and deployed in the wild. Security teams should implement network monitoring for suspicious web traffic patterns and consider temporary restrictions on potentially malicious content until full patches are deployed. The vulnerability underscores the importance of maintaining current browser versions and implementing layered security approaches that include web application firewalls, content filtering solutions, and regular security assessments to identify and remediate similar issues before they can be exploited by adversaries.