CVE-2012-2409 in RealPlayer
Summary
by MITRE
Buffer overflow in RealNetworks RealPlayer before 15.0.6.14, RealPlayer SP 1.0 through 1.1.5, and Mac RealPlayer before 12.0.1.1750 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted RealMedia file, a different vulnerability than CVE-2012-2410.
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Analysis
by VulDB Data Team • 04/13/2021
The vulnerability identified as CVE-2012-2409 represents a critical buffer overflow flaw affecting multiple versions of RealNetworks RealPlayer software across different platforms. This vulnerability specifically impacts RealPlayer versions prior to 15.0.6.14, RealPlayer SP 1.0 through 1.1.5, and Mac RealPlayer versions before 12.0.1.1750, creating a significant security risk for users who have not updated to patched versions. The flaw manifests when the software processes specially crafted RealMedia files, which can trigger memory corruption that leads to system instability or potential exploitation.
The technical implementation of this buffer overflow occurs within the media parsing functionality of RealPlayer, where insufficient input validation allows attackers to provide maliciously formatted RealMedia content that exceeds allocated buffer boundaries. This type of vulnerability falls under CWE-121, which specifically addresses stack-based buffer overflow conditions, and represents a classic example of improper input validation leading to memory corruption. The vulnerability is particularly concerning because it can be triggered through remote code execution via network-based attacks, allowing adversaries to deliver malicious payloads through compromised media files without requiring local system access or user interaction beyond opening the file.
The operational impact of CVE-2012-2409 extends beyond simple denial of service conditions to potentially enable more severe consequences including arbitrary code execution and system compromise. When exploited, this vulnerability can cause RealPlayer to crash or behave unpredictably, but more critically, it may allow attackers to execute malicious code with the privileges of the user running the application. The vulnerability's classification as a remote attack vector means that exploitation can occur without physical access to the target system, making it particularly dangerous in enterprise environments where users may inadvertently open malicious media files from email attachments, web downloads, or compromised websites. The attack surface is further expanded by the widespread use of RealPlayer across various operating systems including Windows, Macintosh, and Linux platforms.
Organizations and individual users should prioritize immediate remediation by updating to patched versions of RealPlayer software, specifically versions 15.0.6.14 or later for standard RealPlayer, 1.1.5 or later for RealPlayer SP, and 12.0.1.1750 or later for Mac RealPlayer. System administrators should implement network-based controls to block or scan RealMedia file types if immediate updates are not feasible, while also considering the implementation of application whitelisting policies to prevent unauthorized versions from executing. From a threat modeling perspective, this vulnerability aligns with ATT&CK technique T1203, which covers the use of malicious files for initial access, and T1059, which addresses command and scripting interpreter usage through compromised applications. The vulnerability demonstrates the importance of maintaining up-to-date media player software and implementing comprehensive patch management processes to protect against known exploitation techniques. Security monitoring should include detection of unusual RealPlayer process behavior, memory access patterns, and network connections that may indicate exploitation attempts, as the buffer overflow can potentially serve as a stepping stone for more sophisticated attacks within compromised networks.