CVE-2022-22006 in HEVC Video Extensions
Summary
by MITRE • 03/09/2022
HEVC Video Extensions Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-22007, CVE-2022-23301, CVE-2022-24452, CVE-2022-24453, CVE-2022-24456.
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Analysis
by VulDB Data Team • 03/11/2022
The CVE-2022-22006 vulnerability represents a critical remote code execution flaw within the HEVC Video Extensions component of certain software systems. This vulnerability specifically affects implementations that process HEVC (High Efficiency Video Coding) video streams, which are widely used in multimedia applications, video streaming services, and digital broadcasting systems. The flaw exists in how the video processing engine handles certain malformed or specially crafted HEVC video data structures during decoding operations, creating a pathway for malicious actors to execute arbitrary code on affected systems.
The technical root cause of this vulnerability stems from inadequate input validation and memory management within the HEVC decoding library. When processing video frames that contain malformed headers or unexpected data patterns, the software fails to properly bounds-check array accesses or validate buffer sizes, leading to memory corruption conditions. This memory corruption can be exploited to overwrite critical program structures or function pointers, ultimately allowing attackers to redirect program execution flow and inject malicious code. The vulnerability is particularly dangerous because HEVC video processing often occurs in privileged execution contexts where the code has extensive system access rights, making successful exploitation potentially devastating.
From an operational perspective, this vulnerability presents significant risk to organizations relying on HEVC video processing capabilities. Attackers can leverage this flaw by crafting malicious video content or manipulating video streams delivered through various channels including web applications, streaming platforms, or content delivery networks. The remote nature of the vulnerability means that exploitation can occur without requiring physical access to target systems, making it particularly attractive to threat actors. Successful exploitation could result in complete system compromise, data exfiltration, or the establishment of persistent backdoors within network infrastructure. Organizations with video processing pipelines, content management systems, or streaming services are particularly vulnerable to this attack vector.
Security mitigation strategies for CVE-2022-22006 should focus on immediate patch deployment from software vendors, as the vulnerability affects core video processing libraries that are integral to many multimedia applications. System administrators should implement network segmentation to isolate video processing components and deploy intrusion detection systems capable of identifying suspicious video stream patterns. Additionally, input validation controls should be strengthened at all levels of video processing pipelines, including content filtering and sanitization measures. Organizations should consider implementing application whitelisting policies to restrict execution of untrusted video processing code, while also monitoring for unusual memory access patterns that might indicate exploitation attempts. The vulnerability aligns with CWE-129, which addresses insufficient input validation, and maps to ATT&CK technique T1059.007 for execution through multimedia applications. Regular security assessments and penetration testing of video processing systems should be conducted to identify potential exploitation vectors beyond the immediate vulnerability scope.