CVE-2009-3793 in Flash Player
Summary
by MITRE
Unspecified vulnerability in Adobe Flash Player before 9.0.277.0 and 10.x before 10.1.53.64, and Adobe AIR before 2.0.2.12610, allows attackers to cause a denial of service (memory consumption) or possibly execute arbitrary code via unknown vectors.
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Analysis
by VulDB Data Team • 01/25/2025
Adobe Flash Player and AIR versions prior to the patched releases contain a critical unspecified vulnerability that presents significant security risks to end users and organizations. This vulnerability affects multiple product versions across different release lines, with specific patched versions including Flash Player 9.0.277.0 and 10.1.53.64, and Adobe AIR 2.0.2.12610. The unspecified nature of the vulnerability means that the exact technical flaw remains undisclosed, but security researchers have identified this as a serious issue that could be exploited by malicious actors.
The vulnerability manifests through unknown attack vectors that can result in either denial of service conditions or arbitrary code execution capabilities. In a denial of service scenario, attackers can consume excessive memory resources, potentially leading to system instability or complete system crashes. This type of attack falls under the category of memory exhaustion attacks, which can be particularly effective in resource-constrained environments or when targeting systems with limited memory capacity. The potential for arbitrary code execution represents an even more severe threat, as it could allow attackers to gain complete control over affected systems.
From a technical perspective, Flash Player's architecture and the way it processes multimedia content creates numerous potential entry points for exploitation. The vulnerability likely resides in how the player handles specific media formats or script execution within Flash content, potentially involving buffer overflows, memory management issues, or improper input validation. These types of vulnerabilities are particularly dangerous because Flash Player was widely deployed across the internet, making millions of systems potentially vulnerable to exploitation.
The operational impact of this vulnerability extends beyond individual user systems to enterprise environments where Flash content is commonly used for web applications, training materials, and interactive content. Organizations that have not updated their systems may find themselves at risk of targeted attacks, especially if they host or consume Flash content from untrusted sources. The vulnerability's potential for arbitrary code execution means that attackers could install malware, steal sensitive data, or establish persistent access to compromised systems. This risk is compounded by the fact that Flash Player was often enabled by default in web browsers, making exploitation relatively easy for attackers.
Security professionals should prioritize updating all affected systems to the latest patched versions as soon as possible. The mitigation strategy involves not only applying vendor patches but also implementing broader security measures such as disabling Flash content in web browsers, using network monitoring tools to detect suspicious memory usage patterns, and conducting regular vulnerability assessments. Organizations should also consider implementing web application firewalls and content filtering solutions to prevent access to potentially malicious Flash content. The vulnerability highlights the importance of maintaining up-to-date software and implementing defense-in-depth strategies to protect against unknown or zero-day vulnerabilities that could affect widely deployed software components. This issue aligns with common attack patterns documented in the ATT&CK framework under initial access and execution tactics, particularly focusing on exploitation of software vulnerabilities. The CWE database would likely categorize this vulnerability under categories related to memory corruption or unspecified software flaws that could lead to privilege escalation or arbitrary code execution.