CVE-2013-0769 in Firefox
Summary
by MITRE
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.1, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.1, and SeaMonkey before 2.15 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 • 04/20/2021
The vulnerability identified as CVE-2013-0769 represents a critical security flaw affecting multiple Mozilla products including Firefox, Thunderbird, and SeaMonkey browser applications. This issue stems from unspecified vulnerabilities within the browser engine component that governs how these applications process web content and handle various input sources. The affected versions span across Firefox 18.0 and earlier, Firefox ESR 10.x and 17.x versions prior to their respective security patches, Thunderbird 17.0.2 and earlier, Thunderbird ESR 10.x and 17.x versions before security updates, and SeaMonkey 2.15 and earlier releases. The vulnerability operates at a fundamental level within the application architecture, affecting the core rendering and processing mechanisms that handle web page elements, scripts, and multimedia content.
The technical nature of this vulnerability manifests through memory corruption issues that can lead to application crashes or potentially more severe consequences including arbitrary code execution. These memory corruption flaws typically occur when the browser engine fails to properly validate or handle certain input data patterns, leading to improper memory management during processing operations. Attackers can exploit these conditions through carefully crafted web content or malicious URLs that trigger specific code paths within the browser engine. The unspecified nature of the exact vectors suggests that multiple attack surfaces within the browser engine may be affected, making the vulnerability particularly dangerous as it could be exploited through various means including web pages, email attachments, or other content delivery mechanisms.
The operational impact of CVE-2013-0769 extends beyond simple denial of service conditions to potentially enable full system compromise when exploited successfully. The memory corruption vulnerabilities create opportunities for attackers to execute malicious code with the privileges of the affected application, potentially leading to complete system takeover. This risk is particularly significant in enterprise environments where users may browse untrusted websites or receive malicious email content through Thunderbird applications. The vulnerability affects both desktop and mobile browser implementations, though the specific exploitation methods may vary based on platform characteristics and application configurations. Organizations running affected versions face substantial risk of data breaches, unauthorized access, and system compromise when users encounter malicious content.
Mitigation strategies for CVE-2013-0769 primarily focus on immediate application updates and patches provided by Mozilla. Organizations should prioritize upgrading to the latest stable versions of Firefox, Thunderbird, and SeaMonkey that contain the necessary security fixes. The vulnerability aligns with CWE-122, which describes heap-based buffer overflow conditions, and may also relate to CWE-119, memory corruption vulnerabilities that can lead to arbitrary code execution. Security administrators should implement network-based protections including web filtering solutions and email security measures to prevent users from accessing malicious content. Additionally, users should be educated about safe browsing practices and the importance of keeping applications updated. The ATT&CK framework categorizes this type of vulnerability under T1203, which involves exploitation of software vulnerabilities, and T1059, command and control communications, as attackers may use these vulnerabilities to establish persistent access. Regular security assessments and vulnerability scanning should be implemented to identify any remaining instances of affected software within the organization's infrastructure.