CVE-2007-4734 in OTSTurntables
Summary
by MITRE
Buffer overflow in Ots Labs OTSTurntables 1.00 allows user-assisted remote attackers to execute arbitrary code via a long file path in an m3u file.
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Analysis
by VulDB Data Team • 10/04/2024
The vulnerability identified as CVE-2007-4734 represents a critical buffer overflow flaw within Ots Labs OTSTurntables version 1.00 media player software. This issue manifests when the application processes m3u playlist files containing excessively long file paths, creating a condition where memory allocated for path handling exceeds its boundaries. The buffer overflow occurs during the parsing of multimedia playlist files, specifically when the software attempts to store extended path information from the m3u format into a fixed-size memory buffer without proper bounds checking. This fundamental flaw in input validation creates an exploitable condition that can be leveraged by remote attackers to gain unauthorized code execution privileges on systems running the vulnerable software.
The technical implementation of this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations. In the context of OTSTurntables, when a maliciously crafted m3u file contains a path exceeding the allocated buffer size, the application's failure to validate input length results in memory corruption that can be manipulated to redirect program execution flow. The vulnerability operates through the standard input processing pipeline of multimedia players, where playlist files are parsed and their contents are used to construct internal data structures. Attackers can craft m3u files with carefully constructed path strings that, when processed by the vulnerable player, trigger the buffer overflow condition and enable arbitrary code execution.
From an operational perspective, this vulnerability presents significant risks to users who may unknowingly open maliciously crafted playlist files from untrusted sources. The user-assisted nature of the attack means that successful exploitation requires some form of social engineering to convince users to open the malicious m3u file, typically through email attachments, instant messaging, or compromised websites. Once executed, the attacker gains the same privileges as the user running the vulnerable software, which could range from limited user-level access to potentially elevated system privileges depending on the execution context. The impact extends beyond individual user systems to potential network-wide compromise if the vulnerable software is deployed in enterprise environments where playlist files might be shared across multiple users or systems.
The mitigation strategies for CVE-2007-4734 should prioritize immediate software updates from Ots Labs to address the buffer overflow condition through proper input validation and bounds checking mechanisms. System administrators should implement restrictive file access policies that prevent users from opening playlist files from untrusted sources, particularly those obtained through email or web downloads. Network security controls including email filtering and web content filtering should be enhanced to block potentially malicious m3u files from entering the network environment. Additionally, the implementation of application whitelisting policies can help prevent execution of vulnerable software versions while ensuring that only approved media players with proper security patches are allowed to run on organizational systems. The ATT&CK framework categorizes this vulnerability under T1059 for command and scripting interpreter and T1203 for exploitation for execution, highlighting the need for comprehensive endpoint protection measures that can detect and prevent such exploitation attempts through behavioral analysis and signature-based detection mechanisms.