CVE-2006-1469 in Mac OS X
Summary
by MITRE
Stack-based buffer overflow in ImageIO in Apple Mac OS X 10.4 up to 10.4.6 allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted TIFF image.
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Analysis
by VulDB Data Team • 11/24/2024
The vulnerability identified as CVE-2006-1469 represents a critical stack-based buffer overflow flaw within Apple Mac OS X 10.4 operating system versions up to 10.4.6, specifically affecting the ImageIO framework component responsible for handling various image file formats including TIFF. This vulnerability resides in the manner in which the system processes TIFF image files, creating a scenario where malformed or crafted image data can trigger unexpected behavior in the memory management of the operating system. The flaw manifests when the ImageIO framework attempts to parse TIFF image headers and metadata, particularly in scenarios involving malformed tag structures or oversized data fields that exceed the allocated buffer space on the stack.
The technical exploitation of this vulnerability occurs through the manipulation of TIFF image files that contain specially crafted data structures designed to overflow the stack buffer allocated for image processing operations. When the system attempts to read and interpret these malicious TIFF files, the buffer overflow can overwrite adjacent memory locations including return addresses and function pointers, potentially leading to arbitrary code execution or system crash. This vulnerability falls under the Common Weakness Enumeration category CWE-121, which specifically addresses stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite stack memory. The attack vector is particularly concerning as it requires only the presentation of a malicious TIFF file to the system, making it accessible through various attack scenarios including email attachments, web downloads, or file sharing platforms.
The operational impact of CVE-2006-1469 extends beyond simple denial of service conditions to encompass potential system compromise and unauthorized code execution capabilities. When exploited successfully, the vulnerability can cause the targeted Mac OS X system to crash or become unresponsive, effectively creating a denial of service condition that disrupts normal operations. However, the more severe implications arise from the possibility of arbitrary code execution, which could allow attackers to gain unauthorized access to system resources, escalate privileges, or establish persistent access to the compromised system. The vulnerability affects a broad range of Apple Mac OS X versions, making it particularly dangerous as it could impact numerous systems within enterprise environments or personal computing setups that had not yet received security updates. According to the MITRE ATT&CK framework, this vulnerability aligns with techniques involving code injection and privilege escalation, as it provides a pathway for attackers to execute malicious code within the target system's memory space.
Mitigation strategies for CVE-2006-1469 primarily focus on immediate system updates and security hardening measures. Apple released patches for Mac OS X 10.4.7 and subsequent versions that addressed the buffer overflow vulnerability by implementing proper bounds checking and memory validation routines within the ImageIO framework. System administrators should prioritize applying these security updates across all affected systems to prevent exploitation. Additional protective measures include implementing file validation procedures for image files received from untrusted sources, disabling automatic image preview features in web browsers or email clients, and employing network-based intrusion detection systems that can identify suspicious TIFF file patterns. Organizations should also consider implementing application sandboxing techniques to limit the potential damage from successful exploitation attempts, as well as establishing robust backup and recovery procedures to ensure business continuity in case of system compromise. The vulnerability serves as a reminder of the importance of regular security patch management and the critical need for maintaining up-to-date system configurations to protect against known exploits.