CVE-2014-0349 in J2k-Codec
Summary
by MITRE
Multiple unspecified vulnerabilities in J2k-Codec allow remote attackers to execute arbitrary code via a crafted JPEG 2000 file.
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Analysis
by VulDB Data Team • 05/10/2026
The vulnerability identified as CVE-2014-0349 resides within the J2k-Codec library, a component commonly used for processing JPEG 2000 image format files. This issue represents a critical security flaw that affects systems processing JPEG 2000 images through the J2k-Codec implementation, creating a significant attack surface for remote exploitation. The vulnerabilities are classified as unspecified, indicating that the exact nature of the flaws within the codec implementation has not been fully disclosed in the public domain, though the implications suggest serious memory corruption or parsing errors. The attack vector requires a remote attacker to craft a malicious JPEG 2000 file that, when processed by vulnerable software, triggers arbitrary code execution on the target system. This type of vulnerability falls under the category of code execution flaws that can lead to complete system compromise when exploited successfully.
The technical nature of these vulnerabilities stems from insufficient input validation and memory management within the J2k-Codec library. When a JPEG 2000 file is processed, the codec attempts to parse and decode the image data structures without adequate bounds checking or memory safety mechanisms. This allows an attacker to construct a malformed image file that, when loaded by vulnerable applications, causes buffer overflows, stack corruption, or other memory-related issues that can be leveraged to execute malicious code. The unspecified nature of the vulnerabilities suggests that multiple distinct code paths within the library may be susceptible to similar exploitation techniques, making the attack surface more extensive than initially apparent. These flaws typically manifest during the decoding process when the codec attempts to handle malformed or specially crafted data structures within the JPEG 2000 file format.
From an operational impact perspective, the vulnerability presents a severe risk to organizations that process or display JPEG 2000 images, particularly in environments where users can upload or receive image files from untrusted sources. Applications affected include image viewers, document management systems, web browsers, and content management platforms that utilize the J2k-Codec library for JPEG 2000 support. The remote execution capability means that attackers can compromise systems without requiring local access or user interaction beyond the simple act of viewing or processing the malicious image file. This vulnerability aligns with ATT&CK technique T1203, which involves execution through malicious file uploads, and represents a classic example of a remote code execution vulnerability that can lead to full system compromise. The impact extends beyond individual system compromise to potentially affect entire networks if the vulnerable applications are widely deployed across organizational infrastructure.
Mitigation strategies for CVE-2014-0349 must focus on immediate remediation through vendor-provided patches and updates to the J2k-Codec library. Organizations should prioritize updating all systems that utilize the affected codec, particularly those that process user-uploaded content or receive images from external sources. Network-based mitigations include implementing file type validation and content scanning to prevent malicious JPEG 2000 files from reaching vulnerable applications. The implementation of sandboxing mechanisms for image processing and restricting the use of JPEG 2000 format in environments where it is not strictly necessary can provide additional defense layers. Security teams should also consider implementing monitoring for unusual file processing activities and establishing incident response procedures specific to image processing vulnerabilities. This vulnerability demonstrates the importance of proper input validation and memory safety practices in multimedia processing libraries, aligning with CWE categories related to buffer overflows and improper input validation. Organizations should conduct thorough vulnerability assessments to identify all systems utilizing the affected codec and implement comprehensive patch management procedures to ensure complete remediation across their infrastructure.