CVE-2008-6583 in BS.player
Summary
by MITRE
Buffer overflow in BS.player 2.27 build 959 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long string in a .SRT file.
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Analysis
by VulDB Data Team • 10/21/2024
The vulnerability identified as CVE-2008-6583 represents a critical buffer overflow flaw within BS.player version 2.27 build 959 that exposes the media player to remote exploitation. This issue specifically affects the subtitle file processing functionality where the application fails to properly validate input length when parsing .SRT files. The buffer overflow occurs during the handling of maliciously crafted subtitle data, creating a scenario where an attacker can manipulate the application's memory management and potentially execute arbitrary code on the target system. The vulnerability resides in the software's inability to enforce bounds checking on user-supplied data, allowing attackers to overwrite adjacent memory locations and disrupt normal application execution. This flaw demonstrates a classic security weakness that aligns with CWE-121, which categorizes buffer overflow conditions where insufficient bounds checking allows memory access beyond allocated buffers.
The operational impact of this vulnerability extends beyond simple denial of service to encompass potential remote code execution capabilities, making it particularly dangerous for systems that process untrusted media content. When a victim opens a maliciously crafted .SRT file, the player application crashes or may be compromised through the buffer overflow exploitation, potentially allowing attackers to gain unauthorized control over the affected system. The vulnerability affects the application's memory management routines specifically during subtitle file parsing operations, where the player's internal buffer handling mechanisms fail to account for oversized input strings. This type of vulnerability directly impacts the software's integrity and availability, as it can be triggered through simple file manipulation without requiring complex attack vectors or elevated privileges. The flaw operates at the intersection of software security and multimedia processing, where the parsing of external content becomes a potential attack surface.
Security professionals should recognize this vulnerability as a prime example of how multimedia applications can become attack vectors through improper input validation. The flaw demonstrates the importance of implementing robust input sanitization and bounds checking in all user-facing data processing functions. Organizations utilizing BS.player or similar media players should prioritize immediate patching and implementation of file validation measures. The vulnerability's exploitation potential aligns with ATT&CK technique T1203, which covers exploitation of remote services, and T1059, covering command and scripting interpreter usage, as attackers may leverage this flaw to execute malicious payloads. System administrators should consider implementing network-level controls to restrict access to potentially malicious subtitle files and establish monitoring procedures for unusual application behavior or crashes that may indicate exploitation attempts. Additionally, the vulnerability underscores the necessity of regular security assessments and patch management processes to prevent similar issues in other multimedia applications that may share similar code structures or parsing mechanisms.