CVE-2003-1272 in WinAmp
Summary
by MITRE
Multiple buffer overflows in Winamp 3.0 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a .b4s file containing (1) a long playlist name or (2) a long path in a file: argument to the Playstring parameter.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 06/29/2021
The vulnerability identified as CVE-2003-1272 represents a critical security flaw in Winamp version 3.0 that exposes the media player to remote exploitation through carefully crafted .b4s playlist files. This vulnerability falls under the category of buffer overflow conditions that can lead to both denial of service and potential code execution. The flaw specifically manifests when the application processes playlist data containing excessively long strings in either the playlist name field or the file path within the Playstring parameter of the file: argument. These buffer overflows occur due to inadequate input validation and bounds checking within the application's playlist parsing routines.
The technical implementation of this vulnerability exploits the fundamental weakness in how Winamp handles user-supplied data during playlist processing. When a malicious .b4s file is loaded, the application fails to properly validate the length of strings before copying them into fixed-size buffers. This allows attackers to overflow these buffers and overwrite adjacent memory locations, potentially corrupting the application's execution flow. The vulnerability affects both the playlist name field and the file path within the Playstring parameter, providing multiple attack vectors for exploitation. According to CWE classification, this represents a classic buffer overflow scenario categorized as CWE-121, where insufficient bounds checking leads to memory corruption. The attack requires only a single malicious playlist file to be loaded by the victim, making it particularly dangerous for remote exploitation.
The operational impact of CVE-2003-1272 extends beyond simple denial of service to potentially enable arbitrary code execution on vulnerable systems. When successful, the buffer overflow can cause Winamp to crash or, in more severe cases, allow attackers to inject and execute malicious code within the application's memory space. This represents a significant threat to system security as it could be leveraged to gain unauthorized access to systems running vulnerable versions of Winamp. The vulnerability's remote nature means that attackers can exploit it without requiring physical access to the target system, making it particularly concerning for widespread deployment. The ATT&CK framework categorizes this as a code injection technique under the T1059.007 sub-technique, where adversaries leverage application vulnerabilities to execute malicious code. The vulnerability affects Windows operating systems and demonstrates how multimedia applications can serve as attack vectors for privilege escalation and system compromise.
Mitigation strategies for CVE-2003-1272 should prioritize immediate patching of vulnerable Winamp installations to the latest available versions that address the buffer overflow conditions. System administrators should implement strict file validation policies that prevent execution of untrusted playlist files, particularly those with unusual or excessively long string lengths. Network-based security controls should include content filtering to block .b4s files from being processed by media applications, while endpoint protection solutions should monitor for suspicious memory access patterns that could indicate buffer overflow exploitation attempts. The vulnerability highlights the importance of input validation and bounds checking in application security, reinforcing industry best practices established by standards such as the OWASP Top Ten and NIST cybersecurity guidelines. Organizations should also consider implementing application whitelisting policies that restrict execution of only known good media player versions, while regular security assessments should verify that all multimedia applications maintain proper buffer management practices to prevent similar vulnerabilities from emerging in future releases.