CVE-2008-1024 in Safari
Summary
by MITRE
Apple Safari before 3.1.1, when running on Windows XP or Vista, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a file download with a crafted file name, which triggers memory corruption.
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Analysis
by VulDB Data Team • 11/28/2024
The vulnerability identified as CVE-2008-1024 represents a critical memory corruption flaw affecting Apple Safari web browser versions prior to 3.1.1 when operating on Microsoft Windows XP or Vista operating systems. This vulnerability manifests through a specific attack vector involving crafted file names during the download process, which can lead to unpredictable system behavior including browser crashes and potential remote code execution. The flaw demonstrates the inherent risks associated with improper input validation and memory management in web browser implementations, particularly when handling user-supplied data during file operations.
The technical nature of this vulnerability stems from insufficient validation of file names during the download process within Safari's Windows implementation. When a user attempts to download a file with a specially crafted filename, the browser's handling mechanism fails to properly sanitize or validate the input, leading to memory corruption conditions. This memory corruption can occur in various ways including buffer overflows, heap corruption, or stack corruption depending on how the malicious filename is constructed. The vulnerability specifically affects the Windows versions of Safari, indicating platform-specific implementation issues rather than cross-platform problems, which aligns with the common pattern of operating system-specific security flaws in browser implementations.
The operational impact of this vulnerability extends beyond simple denial of service conditions to potentially enable remote code execution capabilities. Attackers can exploit this flaw by hosting malicious files with crafted names on web servers, then诱导 users to download these files through various means such as phishing emails, compromised websites, or social engineering campaigns. When users download these specially crafted files, the Safari browser crashes and potentially allows attackers to execute arbitrary code on the victim's system with the privileges of the user running the browser. This represents a significant threat to enterprise and individual users alike, as it can lead to complete system compromise and data exfiltration.
The vulnerability's exploitation characteristics align with common attack patterns documented in the attack framework, particularly those involving client-side exploitation through web browsers. The flaw demonstrates how seemingly benign user interactions such as file downloads can become attack vectors when proper input validation is absent. From a cybersecurity perspective, this vulnerability represents a classic example of a buffer overflow or memory corruption issue that can be leveraged for privilege escalation and persistent access to compromised systems. The fact that it affects Windows XP and Vista platforms specifically indicates the vulnerability was likely related to how Safari handled Windows-specific file system operations or API calls.
Mitigation strategies for this vulnerability primarily focus on immediate remediation through software updates. Apple released Safari 3.1.1 to address this specific flaw, which included enhanced input validation and memory management routines for file name handling. Organizations should implement comprehensive patch management procedures to ensure all affected systems receive updates promptly, as the vulnerability was exploitable remotely without user interaction. Additionally, network administrators should consider implementing web content filtering solutions to block access to known malicious domains and monitor for suspicious file download patterns. The vulnerability also underscores the importance of input sanitization practices and proper memory management in software development, particularly for applications handling user-supplied data. From a compliance standpoint, this vulnerability would likely trigger requirements under various cybersecurity standards including those related to secure coding practices and vulnerability management processes. The incident highlights the necessity of thorough security testing for browser implementations across different operating systems and platforms to prevent similar issues in future releases.