CVE-2007-5709 in SonicStage CONNECT Player
Summary
by MITRE
Stack-based buffer overflow in Sony SonicStage CONNECT Player (CP) 4.3 allows remote attackers to execute arbitrary code via a long file name in an M3U file.
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Analysis
by VulDB Data Team • 10/09/2024
The vulnerability identified as CVE-2007-5709 represents a critical stack-based buffer overflow flaw in Sony SonicStage CONNECT Player version 4.3 that enables remote code execution through maliciously crafted M3U playlist files. This security weakness stems from inadequate input validation within the media player's handling of playlist metadata, specifically when processing file names contained within M3U format playlist entries. The flaw exists in the application's parsing logic where it fails to properly bounds-check the length of file name strings before copying them into fixed-size stack buffers, creating an exploitable condition that can be triggered over a network connection.
The technical implementation of this vulnerability follows a classic stack buffer overflow pattern where an attacker crafts an M3U file containing an excessively long file name string that exceeds the allocated buffer space on the stack. When the SonicStage CONNECT Player processes this malformed playlist, the application attempts to copy the oversized filename into a stack buffer without proper length validation, causing the buffer to overflow and overwrite adjacent memory locations including return addresses and control data. This memory corruption allows attackers to redirect program execution flow and inject arbitrary code that executes with the privileges of the affected application, typically running with the user's current security context.
The operational impact of CVE-2007-5709 extends beyond simple remote code execution to encompass potential privilege escalation and system compromise scenarios. Since the vulnerability can be triggered remotely through network-based M3U file delivery, attackers can exploit it without requiring physical access to target systems. The affected SonicStage CONNECT Player application typically runs with user-level privileges, but successful exploitation could enable attackers to execute malicious payloads that might escalate privileges or establish persistent backdoors. This vulnerability particularly affects users who frequently download and play media files from untrusted sources, making it a significant concern for both individual consumers and enterprise environments where such media players might be deployed.
Security researchers categorize this vulnerability under CWE-121 Stack-based Buffer Overflow, which is classified as a fundamental memory safety issue that has been consistently identified as one of the most prevalent and dangerous classes of software defects in the industry. The vulnerability aligns with ATT&CK technique T1059.007 Command and Scripting Interpreter: PowerShell, as attackers could potentially leverage this remote code execution capability to deploy PowerShell-based payloads or establish command and control channels. Organizations should prioritize immediate mitigation through software updates from Sony, as the vendor released patches addressing this specific buffer overflow condition. Additionally, network administrators should implement firewall rules and content filtering to prevent automatic downloading of M3U files from untrusted sources, while security teams should monitor for potential exploitation attempts through network traffic analysis and endpoint detection systems that can identify anomalous behavior associated with buffer overflow exploitation patterns.