CVE-2019-8241 in Media Encoder
Summary
by MITRE
Adobe Media Encoder versions 13.1 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 13.1 and earlier contains a critical out-of-bounds read vulnerability that stems from improper input validation within the application's media processing pipeline. This flaw resides in the software's handling of malformed media files or specific parameter values during encoding operations, creating a scenario where the application attempts to read memory locations beyond the allocated buffer boundaries. The vulnerability manifests when the software processes specially crafted media files or encounters unexpected data structures during the encoding process, leading to unauthorized memory access patterns that can expose sensitive information stored in adjacent memory regions. According to CWE-129, this represents an implementation weakness where insufficient validation of input data leads to memory access violations that can result in information disclosure or potential system compromise.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with a potential pathway for more sophisticated attacks within the Adobe Media Encoder environment. An attacker who successfully exploits this vulnerability could gain access to sensitive data that may include system memory contents, user credentials, or other confidential information stored in memory. The attack surface is particularly concerning given that Media Encoder is frequently used in professional environments where users process sensitive media content, potentially exposing corporate or personal data through this memory access violation. This vulnerability aligns with ATT&CK technique T1005 which focuses on data from local system sources, and could potentially be leveraged as a stepping stone for further exploitation within a compromised system.
The technical exploitation of CVE-2019-8241 requires an attacker to craft a malicious media file or manipulate input parameters that trigger the out-of-bounds read condition during the encoding process. This typically involves creating specially formatted media files with malformed headers or embedded data structures that cause the application to access memory beyond its intended boundaries. The vulnerability is particularly dangerous because it operates within the context of a legitimate application that users trust and execute regularly, making it difficult to detect and prevent through standard security measures. Organizations using Adobe Media Encoder should prioritize immediate patching to address this vulnerability, as the information disclosure risk can lead to significant security implications for users processing sensitive content. The flaw represents a classic buffer over-read vulnerability that has been documented in numerous other applications and underscores the importance of proper input validation and memory management practices in multimedia processing software.
Mitigation strategies for this vulnerability should include immediate deployment of Adobe's security patches, which address the underlying buffer handling issues in the media processing components. System administrators should also implement additional security controls such as application whitelisting to restrict execution of unauthorized media processing software and monitor for unusual memory access patterns during encoding operations. Network segmentation and privilege separation can help limit the potential impact if exploitation occurs, while regular security assessments should include testing for similar buffer overflow conditions in other multimedia applications. Organizations should also consider implementing automated patch management systems to ensure timely deployment of security updates across all systems that utilize Adobe Media Encoder or similar media processing software, as this vulnerability demonstrates the critical need for maintaining up-to-date security patches in multimedia applications that handle untrusted input data.