CVE-2011-2375 in Firefox
Summary
by MITRE
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 5.0 and Thunderbird through 3.1.11 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
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Analysis
by VulDB Data Team • 11/13/2021
The vulnerability identified as CVE-2011-2375 represents a critical security flaw affecting Mozilla Firefox versions prior to 5.0 and Thunderbird versions through 3.1.11. This issue resides within the browser engine's core components, specifically targeting the underlying architecture that processes web content and handles user interactions. The affected systems demonstrate susceptibility to exploitation through unspecified attack vectors that can result in severe operational consequences including system instability and potential code execution. The vulnerability's classification as a memory corruption issue indicates fundamental problems within the application's memory management and allocation processes, which are critical for maintaining system integrity and user safety.
The technical nature of this vulnerability manifests through memory corruption patterns that can lead to application crashes and potentially enable malicious actors to execute arbitrary code on affected systems. These memory corruption flaws typically arise from improper handling of memory allocation, deallocation, or access patterns within the browser engine's rendering and processing mechanisms. The unspecified vectors suggest that the vulnerability may be triggered through various attack scenarios including malformed web content, specific JavaScript execution patterns, or manipulation of browser resources during normal operation. Such vulnerabilities often stem from inadequate input validation, buffer overflow conditions, or improper memory management practices that allow attackers to manipulate program execution flow.
The operational impact of CVE-2011-2375 extends beyond simple denial of service conditions to potentially enable full system compromise when exploited. Attackers leveraging this vulnerability could cause applications to crash repeatedly, leading to persistent denial of service conditions that disrupt user productivity and system availability. More critically, the potential for arbitrary code execution means that successful exploitation could allow threat actors to gain unauthorized access to affected systems, install malware, or establish persistent backdoors. This makes the vulnerability particularly dangerous in enterprise environments where browser applications serve as primary attack vectors for broader network infiltration attempts.
Security professionals should note that this vulnerability aligns with common attack patterns documented in the attack mitigation frameworks, particularly those addressing memory corruption exploits that can be leveraged for privilege escalation and persistent access. The vulnerability demonstrates characteristics consistent with CWE-119 (Improper Access to Memory) and CWE-121 (Stack-based Buffer Overflow) classifications, indicating fundamental issues in memory handling and access control within the browser engine. Organizations should implement immediate mitigation strategies including mandatory browser updates, network segmentation, and enhanced monitoring of suspicious network traffic patterns that may indicate exploitation attempts. The remediation process requires comprehensive patch management across all affected versions and thorough validation of system integrity following update implementation.