CVE-2011-4719 in Cr-48 Chromebook
Summary
by MITRE
Multiple unspecified vulnerabilities in Google Chrome before 16.0.912.63 on the Acer AC700, Samsung Series 5, and Cr-48 Chromebook platforms have unknown impact and attack vectors.
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Analysis
by VulDB Data Team • 05/08/2017
The vulnerability identified as CVE-2011-4719 represents a collection of unspecified security flaws within Google Chrome browser versions prior to 16.0.912.63 that specifically affected certain hardware platforms including the Acer AC700 netbook, Samsung Series 5 laptop, and Cr-48 Chromebook devices. These vulnerabilities existed in the context of Chrome OS environments where the browser served as a critical component of the operating system architecture. The affected platforms utilized the Chromebook ecosystem which was designed for lightweight computing with a focus on web-based applications and cloud services, making the browser a primary attack surface for potential security threats.
The technical nature of these unspecified vulnerabilities suggests they likely involved memory corruption issues, privilege escalation mechanisms, or code execution flaws that could be exploited through malicious web content or crafted inputs. Given that these vulnerabilities affected Chrome OS specifically, they may have exploited the unique architecture of the operating system where Chrome serves as both the user interface and the underlying security boundary. The lack of specific details in the original CVE description indicates that the exact nature of these flaws was not publicly disclosed at the time of reporting, which is common for zero-day vulnerabilities or those that were still under investigation by security researchers.
The operational impact of these vulnerabilities was significant for users of the affected hardware platforms, as they could potentially allow attackers to execute arbitrary code on devices running vulnerable versions of Chrome. This would enable unauthorized access to user data, system compromise, and potential lateral movement within network environments. The attack vectors for these vulnerabilities were likely through web-based exploitation, where users visiting malicious websites or downloading compromised content could trigger the vulnerabilities. The affected devices were particularly vulnerable due to their limited hardware resources and the specific implementation of Chrome OS that was still in its early development stages.
Mitigation strategies for this vulnerability required immediate updates to Chrome browser versions to 16.0.912.63 or later, which contained patches addressing the unspecified flaws. Organizations and users needed to ensure their Chromebook devices were updated through the automatic update mechanisms provided by Chrome OS. The vulnerabilities were categorized under attack techniques that align with common exploitation patterns such as web-based attacks and browser exploitation frameworks. Security professionals should have implemented network monitoring to detect suspicious web traffic patterns and considered the use of web application firewalls to protect against potential exploitation attempts. The incident highlighted the importance of maintaining up-to-date security patches and the risks associated with using older operating system versions that may contain undiscovered vulnerabilities. This vulnerability also demonstrated the challenges of securing embedded systems and mobile devices where the attack surface is limited by hardware constraints but the security implications are significant due to the sensitive nature of user data and system operations. The affected platforms represented early adopters of Chrome OS technology, making them particularly vulnerable to security flaws that would be addressed in subsequent releases through improved security testing and code review processes.