CVE-2011-0080 in Firefox
Summary
by MITRE
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.5.x before 3.5.19 and 3.6.x before 3.6.17, Thunderbird before 3.1.10, and SeaMonkey before 2.0.14 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 • 11/06/2021
The vulnerability identified as CVE-2011-0080 represents a critical security flaw affecting multiple Mozilla products including Firefox, Thunderbird, and SeaMonkey. This issue stems from unspecified vulnerabilities within the browser engine components of these applications, specifically impacting versions prior to the mentioned security patches. The affected software versions include Firefox 3.5.x before 3.5.19 and 3.6.x before 3.6.17, Thunderbird before 3.1.10, and SeaMonkey before 2.0.14, indicating a widespread impact across the Mozilla ecosystem during this period.
The technical nature of this vulnerability manifests through memory corruption issues that can lead to application crashes and potentially allow remote code execution. These unspecified vectors suggest that attackers could exploit various code paths within the browser engine to manipulate memory structures in ways that compromise system stability and security. The memory corruption aspects align with common exploit patterns found in browser-based attacks, where improper memory handling can create opportunities for arbitrary code execution. Such vulnerabilities typically arise from insufficient input validation, buffer overflows, or improper memory management within the rendering engine.
The operational impact of CVE-2011-0080 extends beyond simple denial of service conditions to potentially enable full system compromise. When applications crash due to memory corruption, they may provide attackers with opportunities to execute malicious code with the privileges of the affected application. This risk escalates significantly in environments where users have elevated privileges or when the affected applications are used for sensitive operations. The vulnerability's potential for remote code execution places organizations at risk of data breaches, system compromise, and unauthorized access to confidential information. Organizations using affected versions face substantial risk exposure, particularly in environments where users may inadvertently visit malicious websites or receive compromised email content.
Mitigation strategies for this vulnerability require immediate patching of all affected software versions to prevent exploitation. System administrators should prioritize updating Firefox to version 3.5.19 or later, Firefox 3.6.17 or later, Thunderbird 3.1.10 or later, and SeaMonkey 2.0.14 or later. Additionally, implementing network-based security controls such as web application firewalls and content filtering solutions can provide additional layers of protection. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing robust software update management processes. Security monitoring should include detection of attempts to exploit this class of vulnerability through unusual memory access patterns or application crash behaviors. Organizations should also consider implementing privilege separation and sandboxing techniques to limit the potential impact if exploitation occurs. This vulnerability exemplifies the critical need for continuous security assessment and the implementation of defense-in-depth strategies as outlined in cybersecurity frameworks and standards such as those referenced in the CWE database and MITRE ATT&CK framework for understanding and mitigating browser-based attack vectors.