CVE-2010-2898 in Chrome
Summary
by MITRE
Google Chrome before 5.0.375.125 does not properly mitigate an unspecified flaw in the GNU C Library, which has unknown impact and attack vectors.
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Analysis
by VulDB Data Team • 09/21/2021
The vulnerability identified as CVE-2010-2898 represents a critical security weakness in Google Chrome versions prior to 5.0.375.125, stemming from an unspecified flaw within the GNU C Library. This issue demonstrates the complex interdependencies between web browsers and underlying system libraries, where vulnerabilities in foundational components can create cascading security risks for end users. The GNU C Library serves as a fundamental building block for many Unix-like systems and applications, including web browsers that rely on it for various system operations and memory management functions.
The technical nature of this vulnerability lies in Chrome's insufficient mitigation of a flaw present in the GNU C Library, which operates at a low level within the system architecture. This type of vulnerability typically involves memory corruption issues or improper handling of system resources that could potentially be exploited by malicious actors. The unspecified nature of the flaw within the C library suggests that it may involve complex interactions between memory management, thread handling, or system call processing that could manifest in unpredictable ways. Such vulnerabilities often fall under the category of heap corruption or buffer overflow conditions that can be leveraged for arbitrary code execution.
The operational impact of this vulnerability extends beyond the immediate browser environment, potentially affecting the entire system security posture when exploited. Attackers could potentially leverage this weakness to execute malicious code with the privileges of the Chrome process, which typically runs with user-level permissions but could be escalated through additional attack vectors. The unknown impact and attack vectors component indicates that security researchers had not yet fully characterized the potential exploitation methods, making this vulnerability particularly dangerous as defenders lacked complete information about how adversaries might target it. This uncertainty often leads to broader security implications as organizations must prepare for potential exploitation scenarios without complete knowledge of attack surfaces.
Mitigation strategies for this vulnerability required immediate patching of Chrome installations to version 5.0.375.125 or later, which contained the necessary fixes for the GNU C Library flaw. System administrators should have implemented comprehensive update management processes to ensure all affected systems received the security patches promptly. The vulnerability also highlighted the importance of maintaining up-to-date system libraries and understanding the dependencies between applications and underlying system components. Organizations should have conducted thorough vulnerability assessments to identify all instances of affected Chrome versions and implemented monitoring for potential exploitation attempts. This case study reinforced the principle that browser security is not isolated but depends heavily on the security of underlying system libraries and components.
This vulnerability aligns with CWE-119, which addresses improper restriction of operations within a memory buffer, and represents a classic example of how system-level library vulnerabilities can affect high-level applications. The attack surface for this issue would have been categorized under ATT&CK technique T1059, specifically focusing on command and scripting interpreters where attackers might attempt to leverage system vulnerabilities. The incident underscored the critical need for coordinated vulnerability management between browser vendors and system library maintainers to prevent such cascading security issues from affecting end users.