CVE-2009-1864 in Flash Player
Summary
by MITRE
Heap-based buffer overflow in Adobe Flash Player before 9.0.246.0 and 10.x before 10.0.32.18, and Adobe AIR before 1.5.2, allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via unspecified vectors.
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Analysis
by VulDB Data Team • 08/13/2021
The vulnerability identified as CVE-2009-1864 represents a critical heap-based buffer overflow affecting Adobe Flash Player and Adobe AIR platforms. This security flaw exists in versions prior to 9.0.246.0 for Flash Player and 10.x versions before 10.0.32.18, alongside Adobe AIR versions before 1.5.2. The vulnerability stems from improper memory management during the processing of certain data structures, creating conditions where attacker-controlled input can overwrite adjacent memory locations within the heap allocation space. Such buffer overflows typically occur when programs write more data to a buffer than it can accommodate, leading to memory corruption that can be exploited for malicious purposes.
The technical implementation of this vulnerability involves memory corruption that occurs during Flash Player's handling of multimedia content and scripting operations. Attackers can leverage this flaw through carefully crafted malicious content delivered via web pages or embedded media files, potentially triggering the buffer overflow when the vulnerable software attempts to process the malicious input. The heap-based nature of the vulnerability means that memory corruption affects the program's dynamic memory allocation regions, making exploitation more complex but potentially more dangerous than stack-based buffer overflows. This vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions, and represents a significant threat to the integrity of the affected applications.
The operational impact of CVE-2009-1864 extends beyond simple denial of service scenarios to potentially enabling remote code execution on vulnerable systems. When exploited successfully, the buffer overflow can cause application crashes that result in service disruption, but more critically, attackers may be able to inject and execute arbitrary code on affected systems. This capability allows for complete system compromise, data exfiltration, and persistent access to vulnerable environments. The widespread adoption of Adobe Flash Player across web browsers made this vulnerability particularly dangerous, as it could be exploited through standard web browsing activities without requiring specialized knowledge or tools from attackers.
Organizations and users should prioritize immediate remediation by updating to patched versions of Adobe Flash Player and Adobe AIR, specifically versions 9.0.246.0 and 10.0.32.18 for Flash Player, and 1.5.2 for Adobe AIR. Security administrators should implement network-based protections such as web application firewalls and content filtering solutions to block potentially malicious Flash content. Additionally, organizations should conduct comprehensive vulnerability assessments to identify all systems running vulnerable versions of the affected software and ensure complete patch deployment across all endpoints. The ATT&CK framework categorizes this vulnerability under privilege escalation and code execution tactics, emphasizing the need for layered defensive measures including application whitelisting, sandboxing, and regular security updates to prevent exploitation attempts.