CVE-2007-4707 in QuickTime
Summary
by MITRE
Multiple unspecified vulnerabilities in the Flash media handler in Apple QuickTime before 7.3.1 allow remote attackers to execute arbitrary code or have other unspecified impacts via a crafted QuickTime movie.
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Analysis
by VulDB Data Team • 08/01/2019
The vulnerability identified as CVE-2007-4707 represents a critical security flaw in Apple QuickTime's Flash media handler component prior to version 7.3.1. This issue falls under the category of unspecified vulnerabilities, indicating that the specific technical details of the underlying flaw were not fully disclosed in the initial CVE description. The vulnerability exists within the media processing capabilities of QuickTime, specifically affecting how the software handles Flash content within QuickTime movie files. The attack vector is remote, meaning that malicious actors can exploit this vulnerability without requiring physical access to the target system, making it particularly dangerous in networked environments where users might encounter malicious QuickTime content through web browsers, email attachments, or file sharing platforms.
The technical nature of this vulnerability stems from improper input validation and memory handling within the Flash media handler component of QuickTime. When a maliciously crafted QuickTime movie file is processed by the vulnerable software, the media handler fails to properly validate or sanitize the embedded Flash content, leading to potential buffer overflows, memory corruption, or other exploitable conditions. This type of flaw typically aligns with CWE-125, which describes out-of-bounds read vulnerabilities, or CWE-787, which covers out-of-bounds write conditions. The lack of specific details in the vulnerability description suggests that multiple attack surfaces were affected, potentially including various Flash player features, scripting capabilities, or media processing functions. The exploitation of such vulnerabilities often follows techniques described in the ATT&CK framework under the T1203 category, which involves legitimate program execution through various methods including embedded malicious content in media files.
The operational impact of CVE-2007-4707 is severe and multifaceted, as it provides attackers with the capability to execute arbitrary code on vulnerable systems. This remote code execution vulnerability means that malicious actors can potentially gain full control over affected systems, install malware, steal sensitive data, or use compromised machines as entry points for further attacks within a network. The implications extend beyond individual user systems to enterprise environments where QuickTime is widely deployed, as a single compromised machine could serve as a vector for lateral movement and broader security breaches. Organizations relying on QuickTime for media playback in presentations, training materials, or multimedia content distribution would be particularly vulnerable to this type of attack, especially in environments where users frequently access external content or where automatic playback of media files is enabled.
Mitigation strategies for CVE-2007-4707 primarily focus on immediate remediation through software updates, as Apple released QuickTime 7.3.1 to address this vulnerability. Organizations should implement comprehensive patch management procedures to ensure all affected systems receive the necessary updates promptly. Additionally, network administrators should consider implementing content filtering measures to prevent users from accessing potentially malicious QuickTime content, particularly through web browsers or email systems. The principle of least privilege should be enforced by limiting user permissions and restricting the execution of potentially malicious media files. Security awareness training for end users is also crucial, emphasizing the dangers of opening unknown or untrusted QuickTime files. System monitoring should include detection of unusual network traffic patterns or suspicious process executions that might indicate exploitation attempts. Organizations should also maintain up-to-date vulnerability assessments and penetration testing to identify any remaining exposure points within their QuickTime deployments, ensuring that all components of the media processing stack are properly secured against similar types of vulnerabilities.