CVE-2010-1523 in WinAmp
Summary
by MITRE
Multiple heap-based buffer overflows in vp6.w5s (aka the VP6 codec) in Winamp before 5.59 Beta build 3033 might allow remote attackers to execute arbitrary code via a crafted VP6 (1) video file or (2) video stream.
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Analysis
by VulDB Data Team • 01/26/2025
The vulnerability identified as CVE-2010-1523 represents a critical heap-based buffer overflow in the VP6 codec implementation within Winamp media player software. This flaw affects versions prior to 5.59 Beta build 3033 and specifically targets the vp6.w5s component responsible for decoding VP6 video streams. The vulnerability stems from inadequate input validation and memory management practices within the codec parser, creating opportunities for attackers to manipulate heap memory structures through maliciously crafted video content.
The technical nature of this vulnerability falls under the CWE-121 heap-based buffer overflow category, where insufficient bounds checking allows attackers to write beyond allocated memory boundaries. When Winamp processes a specially crafted VP6 video file or stream, the codec fails to properly validate the size of incoming data structures, enabling an attacker to overwrite adjacent memory locations with controlled data. This memory corruption can lead to arbitrary code execution with the privileges of the compromised Winamp process, potentially allowing full system compromise.
The operational impact of CVE-2010-1523 extends beyond simple code execution to encompass significant security risks in multimedia environments. Attackers can leverage this vulnerability through various attack vectors including malicious websites, email attachments, or peer-to-peer file sharing networks where Winamp users might encounter crafted VP6 content. The vulnerability's remote exploitability means that users need not interact directly with malicious files; simply opening or playing a compromised video stream could trigger the exploit. This makes the vulnerability particularly dangerous in enterprise environments where multimedia content is frequently shared and accessed.
From an adversary perspective, this vulnerability aligns with ATT&CK technique T1203 (Exploitation for Client Execution) and demonstrates how multimedia codecs represent common attack surfaces. The exploitability of this flaw increases when considering that many users may not be aware of the codec-specific nature of the vulnerability, making social engineering attacks more effective. Organizations should consider this vulnerability in the context of their broader security posture, particularly in environments where multimedia content is regularly processed or where users might encounter untrusted video streams.
Mitigation strategies for CVE-2010-1523 primarily involve immediate software updates to Winamp 5.59 Beta build 3033 or later versions that contain patched codec implementations. System administrators should also implement network-based controls such as content filtering and web proxy configurations to prevent access to potentially malicious multimedia content. Additionally, user education regarding the risks of opening untrusted multimedia files and the importance of keeping media player software updated remains crucial. Organizations may also consider implementing application whitelisting policies that restrict execution of untrusted multimedia applications or components that could be vulnerable to similar heap-based buffer overflow exploits.