CVE-2014-3444 in RealPlayer
Summary
by MITRE
The GetGUID function in codecs/dmp4.dll in RealNetworks RealPlayer 16.0.3.51 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (write access violation and application crash) via a malformed .3gp file.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 12/08/2024
The vulnerability identified as CVE-2014-3444 resides within the RealNetworks RealPlayer software ecosystem, specifically within the codecs/dmp4.dll library component. This issue represents a critical security flaw that enables remote attackers to exploit the GetGUID function through manipulation of .3gp multimedia files. The vulnerability affects RealPlayer versions up to and including 16.0.3.51, making it a significant concern for users who may encounter malformed media content from untrusted sources.
The technical flaw manifests as a buffer overflow condition within the GetGUID function when processing specially crafted .3gp files. When the vulnerable RealPlayer application attempts to parse these malformed files, the improper input validation leads to memory corruption that can result in arbitrary code execution or system instability. This type of vulnerability falls under the CWE-121 category of stack-based buffer overflow, where insufficient bounds checking allows attackers to overwrite adjacent memory locations. The vulnerability's exploitation pathway follows the typical attack pattern of input sanitization failure leading to memory corruption.
The operational impact of this vulnerability extends beyond simple denial of service scenarios to encompass full system compromise potential. Attackers can leverage this flaw to execute malicious code with the privileges of the affected user, potentially leading to complete system takeover. The write access violation and application crash conditions indicate that the memory corruption is severe enough to cause the application to terminate unexpectedly while simultaneously allowing for code injection. This vulnerability directly maps to the ATT&CK technique T1203, which describes exploitation of software vulnerabilities for privilege escalation and code execution.
Mitigation strategies for CVE-2014-3444 primarily focus on immediate software updates and patch management. Users should upgrade to RealPlayer versions that have been patched to address this specific vulnerability, as RealNetworks released security updates to resolve the buffer overflow conditions. Network administrators should implement strict file type filtering and content validation for multimedia files, particularly those from untrusted sources. Additional protective measures include disabling automatic playback of multimedia content, implementing sandboxing techniques for media processing, and maintaining updated antivirus signatures that can detect exploitation attempts. The vulnerability highlights the importance of proper input validation and memory management practices in multimedia processing libraries, as recommended by industry standards including the CERT/CC secure coding guidelines and the OWASP Top Ten security framework.