CVE-2007-6250 in AOLMediaPlaybackControl
Summary
by MITRE
Stack-based buffer overflow in AOL AOLMediaPlaybackControl (AOLMediaPlaybackControl.exe), as used by AmpX ActiveX control (AmpX.dll), might allow remote attackers to execute arbitrary code via the AppendFileToPlayList method.
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Analysis
by VulDB Data Team • 06/02/2025
The vulnerability described in CVE-2007-6250 represents a critical stack-based buffer overflow flaw within the AOL Media Playback Control component of the AOL Instant Messenger software suite. This issue affects the AOLMediaPlaybackControl.exe executable which is utilized by the AmpX ActiveX control through the AmpX.dll library. The vulnerability specifically manifests when processing input through the AppendFileToPlayList method, creating a dangerous condition where attacker-controlled data can overwrite adjacent memory locations on the stack. Such a flaw exists within the ActiveX control architecture that was prevalent in Microsoft Windows environments during the mid-2000s era when this vulnerability was discovered.
The technical nature of this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite stack memory. The flaw occurs because the AppendFileToPlayList method does not properly validate the length of input data before copying it into a fixed-size buffer on the stack. When an attacker provides input that exceeds the buffer capacity, the excess data overflows into adjacent stack memory locations, potentially overwriting return addresses, function pointers, or other critical control data. This overflow condition creates an exploitable scenario where malicious code can be injected and executed with the privileges of the vulnerable application process, typically running with elevated permissions due to ActiveX control execution contexts.
The operational impact of CVE-2007-6250 extends beyond simple code execution as it represents a significant attack surface within legacy AOL Instant Messenger installations. Attackers could leverage this vulnerability through web-based attacks by crafting malicious web pages that trigger the vulnerable ActiveX control when loaded in Internet Explorer or other browsers that support ActiveX components. The vulnerability is particularly dangerous because it allows for arbitrary code execution in the context of the user's session, potentially enabling full system compromise. According to ATT&CK framework category T1505.003, this vulnerability represents a technique for executing malicious code through the use of ActiveX controls, while also aligning with T1059 for command and scripting interpreter usage. The attack vector typically involves social engineering campaigns where users are tricked into visiting compromised websites or opening malicious attachments that contain the exploit code.
Mitigation strategies for this vulnerability require immediate remediation through software updates and system hardening measures. The primary solution involves updating to patched versions of AOL Instant Messenger software that address the buffer overflow condition in the affected ActiveX controls. System administrators should also implement security measures such as disabling ActiveX controls in web browsers, implementing browser security zones, and using application whitelisting policies to prevent execution of vulnerable components. Additionally, network segmentation and intrusion detection systems can help monitor for exploitation attempts targeting this specific vulnerability. The vulnerability demonstrates the importance of proper input validation and bounds checking in software development practices, particularly for components that handle untrusted input data. Organizations should also consider decommissioning legacy ActiveX-based applications in favor of modern web technologies that provide better security boundaries and memory management practices, as ActiveX controls were inherently risky due to their privileged execution model and lack of sandboxing mechanisms.