CVE-2020-9649 in Media Encoder
Summary
by MITRE
Adobe Media Encoder versions 14.2 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
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Analysis
by VulDB Data Team • 05/05/2025
Adobe Media Encoder version 14.2 and earlier contains a critical out-of-bounds read vulnerability that stems from insufficient input validation within the application's media processing pipeline. This vulnerability falls under the CWE-129 weakness category, specifically representing an insufficient bound check that allows unauthorized memory access patterns. The flaw occurs when the application processes malformed media files or specific crafted input data structures that exceed expected buffer boundaries during decoding operations.
The technical implementation of this vulnerability involves the application's failure to properly validate array indices or buffer limits when parsing media metadata or processing multimedia streams. Attackers can exploit this by crafting specially formatted media files that trigger memory access beyond allocated boundaries, potentially leading to information disclosure through the exposure of sensitive data residing in adjacent memory locations. This type of vulnerability aligns with the ATT&CK technique T1059.007 for abuse of remote services and T1566.001 for spearphishing attachments that contain malicious media content.
The operational impact of CVE-2020-9649 extends beyond simple information disclosure, as it provides attackers with potential access to sensitive system information that could aid in further exploitation attempts. When exploited successfully, the vulnerability may reveal memory addresses, encryption keys, or other confidential data that could be leveraged for privilege escalation or additional attack vectors. The affected Adobe Media Encoder application typically processes various media formats including video, audio, and image files, making it a potential target for attackers who could embed malicious payloads within seemingly benign media content.
Organizations should implement immediate mitigations including applying the latest security patches from Adobe, which address the buffer validation issues in the media processing libraries. System administrators should also consider network segmentation and access controls to limit exposure of the affected application to untrusted users or networks. Additionally, implementing content filtering solutions that scan media files for suspicious patterns and maintaining regular security assessments of multimedia processing workflows can help reduce the attack surface. The vulnerability demonstrates the importance of proper input validation and memory management practices as outlined in the OWASP Top Ten security controls, particularly focusing on the prevention of buffer overflow conditions that could lead to information disclosure and system compromise.