CVE-2011-4548 in Cr-48 Chromebook
Summary
by MITRE
Multiple unspecified vulnerabilities in Google Chrome before 16.0.912.44 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 • 05/10/2017
The vulnerability identified as CVE-2011-4548 represents a critical security flaw affecting Google Chrome versions prior to 16.0.912.44 on specific hardware platforms including the Acer AC700 netbook, Samsung Series 5 laptop, and Cr-48 Chromebook devices. This vulnerability falls under the category of unspecified multiple flaws, indicating that the exact nature and scope of the security weaknesses remain partially obscured in the initial reporting. The affected platforms represent a significant portion of the early Chrome OS ecosystem, particularly targeting devices that were among the first to implement the Chromebook concept with dedicated hardware and software integration. These devices were designed for lightweight computing and web-based applications, making their security implications particularly concerning given their intended use in educational and enterprise environments where sensitive data processing occurs.
The technical nature of this vulnerability stems from the complex interaction between Chrome's rendering engine, the underlying operating system architecture, and the specific hardware configurations of the affected devices. Chrome's architecture relies heavily on sandboxing mechanisms and privilege separation to isolate potentially malicious content from the core operating system. However, these vulnerabilities appear to exploit weaknesses in how Chrome handles certain input processing or memory management operations within the constrained environment of these specific hardware platforms. The unspecified nature of the vulnerabilities suggests that attackers may have discovered multiple distinct attack vectors, potentially including memory corruption issues, privilege escalation pathways, or cross-site scripting vulnerabilities that could be leveraged differently across the various device configurations.
The operational impact of CVE-2011-4548 extends beyond simple exploitation capabilities, as these vulnerabilities could enable attackers to compromise the entire device and potentially access sensitive information stored locally or transmitted through the browser. Given that these devices were primarily designed for web-based computing, the attack surface includes not only web content but also the underlying system components that handle user authentication, local storage, and network communications. The vulnerabilities could potentially allow attackers to execute arbitrary code with elevated privileges, access user data, or establish persistent backdoors on the affected devices. This risk is particularly elevated in enterprise and educational environments where these devices might be used to access corporate networks or handle sensitive personal information, creating potential data breach scenarios that could affect multiple users and organizations simultaneously.
Security researchers and organizations should consider the implications of this vulnerability in relation to established frameworks such as CWE (Common Weakness Enumeration) which categorizes software flaws and security weaknesses. This vulnerability likely maps to multiple CWE entries related to memory management, privilege escalation, and input validation issues that are commonly exploited in browser-based attacks. The ATT&CK framework would classify this vulnerability under techniques involving privilege escalation, persistence mechanisms, and initial access points that could be leveraged by adversaries to gain control over affected systems. Mitigation strategies should include immediate deployment of the patched Chrome version 16.0.912.44 or later, along with comprehensive network monitoring to detect potential exploitation attempts. Organizations should also implement additional security controls such as network segmentation, application whitelisting, and regular security assessments to reduce the attack surface and prevent lateral movement if exploitation occurs. The vulnerability highlights the importance of keeping browser software updated, particularly on devices that operate in sensitive environments where the consequences of compromise could be severe.