CVE-2007-2761 in MagicISO
Summary
by MITRE
Stack-based buffer overflow in MagicISO 5.4 build 239 and earlier allows remote attackers to execute arbitrary code via a long filename in a .cue file.
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Analysis
by VulDB Data Team • 06/08/2025
The vulnerability identified as CVE-2007-2761 represents a critical stack-based buffer overflow flaw discovered in MagicISO version 5.4 build 239 and earlier. This vulnerability resides within the handling of .cue file formats, which are commonly used for optical disc image files containing track information and audio data. The flaw specifically manifests when the software processes a maliciously crafted .cue file containing an excessively long filename that exceeds the allocated buffer space on the stack. This type of vulnerability falls under the CWE-121 category of Stack-based Buffer Overflow, where insufficient bounds checking allows an attacker to overwrite adjacent memory locations on the program stack. The affected MagicISO software fails to properly validate the length of filenames within .cue files before copying them into fixed-size buffers, creating an exploitable condition that can be leveraged remotely.
The technical exploitation of this vulnerability occurs when a remote attacker crafts a malicious .cue file with an oversized filename field that exceeds the predetermined buffer limits. When MagicISO attempts to parse this file, the excessive data overflows the stack buffer and corrupts adjacent memory locations including return addresses, saved registers, and other critical program state information. This memory corruption enables attackers to manipulate the program execution flow and potentially execute arbitrary code with the privileges of the affected application. The vulnerability demonstrates characteristics consistent with the ATT&CK technique T1203 - Exploitation for Client Execution, where adversaries leverage software vulnerabilities to execute malicious code on target systems. The remote nature of the attack means that an attacker can exploit this vulnerability without requiring local system access, making it particularly dangerous in networked environments where users might unknowingly open malicious .cue files from untrusted sources.
The operational impact of CVE-2007-2761 extends beyond simple code execution, as it represents a significant threat to system integrity and user security. Attackers could leverage this vulnerability to gain unauthorized access to systems running vulnerable versions of MagicISO, potentially leading to complete system compromise. The vulnerability affects users who frequently work with optical disc images and audio files, making it particularly relevant in multimedia production environments, digital archiving systems, and general consumer applications. Organizations using MagicISO for legitimate purposes must consider the risk of remote code execution through seemingly benign file operations, as the attack vector requires only the simple act of opening a malicious file. The vulnerability also demonstrates the importance of proper input validation and bounds checking in software development, as the flaw exists in the core file parsing functionality of the application. This type of vulnerability is particularly concerning because it can be exploited through automated means, potentially leading to widespread compromise of systems that have not been patched or updated.
Mitigation strategies for CVE-2007-2761 should focus on immediate remediation through software updates and patches provided by MagicISO developers. Organizations should implement strict file validation policies and avoid opening .cue files from untrusted sources. Network administrators should consider implementing application whitelisting controls to restrict execution of vulnerable software versions and deploy intrusion detection systems that can identify attempts to exploit this specific vulnerability. The vulnerability highlights the critical importance of regular security updates and patch management processes, as it represents a known flaw that existed for several years without adequate protection. Security teams should also consider implementing sandboxing techniques for handling multimedia files and establishing clear protocols for reviewing and testing third-party software before deployment. The vulnerability serves as a reminder that even seemingly innocuous file format processing can contain critical security flaws, emphasizing the need for comprehensive security testing and code review processes throughout the software development lifecycle.