CVE-2006-6261 in Quintessential Player
Summary
by MITRE
Buffer overflow in Quintessential Player 4.50.1.82 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted (1) M3u or (2) M3u-8 file; or a (3) crafted PLS file with a long value in the (a) NumberofEntries, (b) Length (aka Length1), (c) Filename (aka File1), (d) Title (aka Title1) field, or other unspecified fields.
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Analysis
by VulDB Data Team • 08/09/2024
The vulnerability identified as CVE-2006-6261 represents a critical buffer overflow flaw in Quintessential Player version 4.50.1.82 and earlier implementations. This security weakness affects media player software that processes playlist files, specifically targeting the parsing mechanisms for m3u and pls file formats. The buffer overflow occurs when the application fails to properly validate input lengths during the processing of playlist metadata, creating opportunities for malicious actors to exploit the software through carefully crafted media playlist files.
The technical exploitation of this vulnerability leverages the improper handling of user-supplied data within playlist parsing routines. When Quintessential Player encounters specially constructed m3u or pls files, the application's buffer management fails to account for oversized input values in critical fields such as NumberofEntries, Length, Filename, Title, and other unspecified fields. This lack of input validation creates a scenario where memory allocated for processing playlist entries can be overwritten, leading to unpredictable behavior including application crashes or potential code execution.
The operational impact of this vulnerability extends beyond simple denial of service conditions to potentially enable remote code execution capabilities. Attackers can craft malicious playlist files that trigger buffer overflow conditions when processed by the vulnerable media player, resulting in system instability and potential compromise of the affected system. The vulnerability affects multiple file formats including m3u, m3u-8, and pls, demonstrating the widespread nature of the parsing flaw across different playlist standards. This multi-format vulnerability increases the attack surface and makes exploitation more likely through various delivery vectors.
From a cybersecurity perspective, this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and represents a classic example of unsafe string handling in media processing applications. The ATT&CK framework categorizes this as a code injection technique through the manipulation of input validation mechanisms. The vulnerability demonstrates poor input sanitization practices that are common in legacy media player implementations where security considerations were not adequately integrated into the development lifecycle.
Mitigation strategies for this vulnerability require immediate patching of affected Quintessential Player versions, with organizations implementing network segmentation to limit exposure to potentially malicious playlist files. Security controls should include disabling automatic playlist processing and implementing strict file format validation for media content. Additionally, organizations should consider deploying network-based intrusion detection systems that can identify and block suspicious playlist file patterns. The vulnerability highlights the importance of input validation and proper memory management in multimedia applications, emphasizing that media processing software requires robust security measures to prevent exploitation through crafted input files.