CVE-2013-0770 in Firefox
Summary
by MITRE
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 18.0, Thunderbird before 17.0.2, 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-2013-0770 represents a critical security flaw affecting multiple Mozilla products including Firefox, Thunderbird, and SeaMonkey. This vulnerability resides within the browser engine component of these applications, specifically impacting versions prior to 18.0 for Firefox, 17.0.2 for Thunderbird, and 2.15 for SeaMonkey. The nature of this vulnerability allows remote attackers to exploit unknown vectors that can result in either denial of service conditions through memory corruption and application crashes, or potentially more severe consequences including arbitrary code execution.
The technical flaw associated with CVE-2013-0770 demonstrates characteristics consistent with memory safety vulnerabilities, which are commonly classified under CWE-119 in the Common Weakness Enumeration catalog. These types of vulnerabilities typically arise from improper handling of memory operations within software applications, where insufficient bounds checking or improper memory management leads to exploitable conditions. The unspecified nature of the exact attack vectors suggests that multiple distinct code paths within the browser engine could be compromised, making the vulnerability particularly dangerous as it may be exploitable through various methods.
The operational impact of this vulnerability extends beyond simple service disruption to potentially enable full system compromise. When attackers can trigger memory corruption through remote means, they may be able to manipulate the application's execution flow to execute malicious code with the privileges of the affected application. This represents a significant threat to end users who may encounter malicious content while browsing the web or processing email messages. The vulnerability affects widely deployed software applications, making it attractive to threat actors seeking to exploit large user bases.
Organizations and individuals should prioritize immediate patching of affected systems to mitigate the risk associated with CVE-2013-0770. The recommended mitigation strategy involves updating to the patched versions of Firefox 18.0, Thunderbird 17.0.2, and SeaMonkey 2.15, which contain fixes for the identified memory corruption issues. Security professionals should also implement network monitoring to detect potential exploitation attempts and consider deploying additional protective measures such as web application firewalls or content filtering solutions. The vulnerability's classification aligns with ATT&CK technique T1203 which covers exploitation for execution through memory corruption vulnerabilities, emphasizing the need for comprehensive defensive measures.
The broader implications of this vulnerability highlight the ongoing challenges in maintaining secure browser environments, where complex software architectures create numerous potential attack surfaces. This issue demonstrates the importance of continuous security assessment and the critical role that timely patch management plays in protecting against known vulnerabilities. The fact that this vulnerability affected multiple Mozilla products simultaneously also underscores the interconnected nature of modern software ecosystems and the potential for widespread impact when fundamental components are compromised. Security teams should maintain vigilance against similar memory safety issues and implement robust testing procedures to identify and remediate such vulnerabilities before they can be exploited in the wild.