CVE-2014-0510 in Flash Player
Summary
by MITRE
Heap-based buffer overflow in Adobe Flash Player 12.0.0.77 allows remote attackers to execute arbitrary code and bypass a sandbox protection mechanism via unspecified vectors, as demonstrated by Zeguang Zhao and Liang Chen during a Pwn2Own competition at CanSecWest 2014.
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Analysis
by VulDB Data Team • 05/09/2026
The heap-based buffer overflow vulnerability identified as CVE-2014-0510 represents a critical security flaw in Adobe Flash Player version 12.0.0.77 that fundamentally undermines the software's security architecture. This vulnerability specifically targets the heap memory management system within Flash Player, creating a condition where malicious input can overwrite adjacent memory locations beyond the intended buffer boundaries. The flaw was particularly concerning because it enabled remote code execution capabilities, allowing attackers to bypass the sandbox protection mechanisms that are designed to isolate Flash content from the underlying operating system. The vulnerability was demonstrated during the prestigious Pwn2Own competition at CanSecWest 2014 by security researchers Zeguang Zhao and Liang Chen, who successfully exploited the flaw to gain unauthorized system access. This demonstration highlighted the severe implications of such vulnerabilities in widely deployed software components that handle untrusted content from web browsers and other applications.
The technical implementation of this heap-based buffer overflow exploits weaknesses in how Flash Player manages dynamic memory allocation for handling multimedia content and user interactions. When processing specially crafted Flash content, the application fails to properly validate input lengths or perform adequate bounds checking before writing data to heap-allocated memory regions. This allows attackers to overwrite critical memory structures including function pointers, return addresses, or other control data that governs program execution flow. The vulnerability's exploitation occurs through memory corruption techniques that manipulate heap metadata structures, enabling attackers to redirect execution flow to malicious code injected into the process memory space. The specific vectors that trigger this vulnerability remain unspecified in the public record, but typically involve malformed multimedia files or complex ActionScript code that causes the Flash Player engine to allocate memory in ways that can be manipulated by attackers. This type of vulnerability falls under the CWE-121 category of heap-based buffer overflow, which is classified as a serious weakness that can lead to arbitrary code execution.
The operational impact of CVE-2014-0510 extends far beyond the immediate technical exploitation, as it represents a significant threat to enterprise security infrastructure and user safety. Organizations that deployed Flash Player in their environments became vulnerable to sophisticated attack campaigns that could leverage this vulnerability to gain complete system control, potentially leading to data breaches, privilege escalation, and persistent backdoor access. The sandbox bypass aspect of this vulnerability is particularly dangerous because it defeats the fundamental security model that Flash Player employs to isolate content execution from system resources. This means that successful exploitation could allow attackers to perform actions that would normally be restricted, such as reading files from the local filesystem, executing system commands, or modifying registry entries. The vulnerability's remote exploitability makes it especially dangerous in enterprise environments where users frequently access untrusted web content through Flash-enabled browsers, creating a wide attack surface that could be leveraged for large-scale compromise operations. The fact that this vulnerability was demonstrated at a major security conference indicates that it was not merely theoretical but had practical exploitability in real-world scenarios.
Organizations affected by this vulnerability should implement immediate remediation measures including prompt deployment of Adobe's security patches and updates to Flash Player versions that address the heap overflow conditions. The mitigation strategy should encompass comprehensive network monitoring to detect exploitation attempts and system hardening measures to reduce the attack surface. Security teams should also consider implementing additional protective measures such as disabling Flash Player in web browsers where possible, using application whitelisting to restrict Flash execution, and deploying intrusion detection systems that can identify suspicious memory manipulation patterns. From a defensive perspective, this vulnerability underscores the importance of maintaining up-to-date security controls and the necessity of understanding attack patterns that target memory corruption vulnerabilities. The ATT&CK framework categorizes this type of vulnerability under the T1059.007 technique for command and scripting interpreter, as exploitation often involves the execution of malicious code through compromised Flash processes. Organizations should also consider implementing network segmentation and privilege separation to limit the potential damage from successful exploitation, while maintaining regular security assessments to identify similar vulnerabilities in other Adobe products and third-party software components that may present similar heap-based memory management issues.