CVE-2008-3628 in QuickTime
Summary
by MITRE
Apple QuickTime before 7.5.5 on Windows allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted PICT image, related to an "invalid pointer issue."
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Analysis
by VulDB Data Team • 08/16/2019
Apple QuickTime versions prior to 7.5.5 on Windows platforms contained a critical buffer overflow vulnerability that enabled remote attackers to execute arbitrary code or cause denial of service conditions through maliciously crafted PICT image files. This vulnerability stems from an invalid pointer issue within the image parsing mechanism that fails to properly validate input data when processing PICT format graphics. The flaw occurs during the decompression and rendering process where QuickTime's PICT parser does not adequately check array bounds or pointer validity, allowing attackers to craft specially formatted image files that trigger memory corruption when opened by the vulnerable software.
The technical exploitation of this vulnerability follows a classic buffer overflow pattern where malicious input data causes the application to write beyond allocated memory boundaries, potentially leading to arbitrary code execution with the privileges of the affected user. The vulnerability is particularly dangerous because it can be triggered through automated means such as web browsing or email attachments, making it an attractive target for malware distribution campaigns. According to the CWE database, this represents a specific instance of CWE-125: "Out-of-bounds Read" and CWE-787: "Out-of-bounds Write" which are fundamental memory safety issues that have plagued software applications for decades. The ATT&CK framework categorizes this vulnerability under T1203: "Exploitation for Client Execution" and T1059: "Command and Scripting Interpreter" as it enables attackers to execute malicious payloads through compromised client applications.
From an operational standpoint, this vulnerability created significant risk for Windows users who had Apple QuickTime installed, as it could be exploited through various attack vectors including web-based exploitation, email attachments, or malicious websites. The impact extends beyond simple application crashes to potentially full system compromise, as successful exploitation could allow attackers to gain persistent access to affected systems. Organizations relying on QuickTime for multimedia content delivery faced substantial exposure, particularly in environments where users had unrestricted access to internet resources or where email systems were not properly filtered for malicious content. The vulnerability demonstrated the critical importance of timely patch management and the risks associated with third-party multimedia components that are frequently integrated into enterprise environments.
The remediation strategy for this vulnerability required immediate deployment of Apple's security update version 7.5.5, which addressed the buffer overflow through proper input validation and memory management practices. System administrators should have implemented comprehensive patch management procedures to ensure all vulnerable systems received the update promptly. Additional mitigations included disabling QuickTime plugin support in web browsers, implementing network-based filtering to block PICT file types, and conducting thorough vulnerability assessments to identify all systems running vulnerable versions of the software. The incident highlighted the importance of maintaining current security patches and the potential consequences of delayed updates, particularly for widely deployed multimedia applications that handle untrusted input data. Organizations should have also considered implementing application whitelisting policies to prevent execution of vulnerable QuickTime components and established monitoring procedures to detect potential exploitation attempts.