CVE-2024-5701 in Firefox
Summary
by MITRE • 06/11/2024
Memory safety bugs present in Firefox 126. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 127.
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Analysis
by VulDB Data Team • 03/24/2025
The vulnerability identified as CVE-2024-5701 represents a critical memory safety issue within the Mozilla Firefox browser affecting versions prior to 127. This classification stems from the presence of multiple memory safety bugs that demonstrate clear evidence of memory corruption capabilities, indicating a significant risk to system integrity and user security. The vulnerability resides in the browser's handling of memory operations, which can lead to unpredictable behavior when processing certain inputs or web content. These memory safety flaws are particularly concerning as they provide potential attack vectors for executing arbitrary code on affected systems.
Memory corruption vulnerabilities of this nature typically arise from improper memory management practices within software applications, where developers fail to properly validate or sanitize memory operations. The presence of evidence suggesting memory corruption indicates that the bugs likely involve buffer overflows, use-after-free conditions, or other memory management errors that can be exploited to manipulate program execution flow. Such vulnerabilities are classified under CWE-119 in the Common Weakness Enumeration catalog, which specifically addresses weaknesses related to the use of potentially insecure memory handling practices that can lead to memory corruption. The potential for arbitrary code execution makes this vulnerability particularly dangerous as attackers could leverage these flaws to gain full control over affected systems.
The operational impact of CVE-2024-5701 extends beyond simple browser instability, as memory corruption vulnerabilities can be weaponized to deliver malicious payloads, establish persistent backdoors, or escalate privileges within the victim's system. Attackers exploiting these vulnerabilities could potentially execute malware, steal sensitive data, or compromise the entire computing environment. The vulnerability affects users running Firefox versions less than 127, making it crucial for organizations and individuals to immediately implement patch management procedures to upgrade to the fixed version. The timeframe for exploitation would depend on the specific nature of the memory corruption and the complexity of the attack vectors required, but the presence of evidence suggests these vulnerabilities are actively being investigated by threat actors.
Organizations should prioritize immediate deployment of Firefox version 127 or later to mitigate this vulnerability, as the memory safety bugs present in earlier versions create a substantial risk surface for exploitation. System administrators should conduct comprehensive vulnerability assessments to identify all affected systems and implement layered security controls while awaiting patch deployment. The remediation process should include not only updating the browser but also monitoring for any signs of exploitation attempts, as these memory corruption vulnerabilities are often targeted in advanced persistent threat campaigns. Security teams should also consider implementing network-based intrusion detection systems to monitor for exploitation attempts targeting this specific vulnerability, as the attack patterns associated with memory safety bugs often follow predictable behavioral signatures. The remediation process aligns with ATT&CK framework technique T1059.007 for command and scripting interpreter, as exploitation would likely involve executing malicious code through compromised browser processes, making comprehensive endpoint protection essential for defense against potential exploitation attempts.