CVE-2025-0870 in Bento4
Summary
by MITRE • 01/30/2025
A vulnerability was found in Axiomatic Bento4 up to 1.6.0-641. It has been rated as critical. Affected by this issue is the function AP4_DataBuffer::GetData in the library Ap4DataBuffer.h. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 03/01/2025
The vulnerability identified as CVE-2025-0870 represents a critical heap-based buffer overflow within the Axiomatic Bento4 library version 1.6.0-641 and earlier. This issue resides in the AP4_DataBuffer::GetData function located in the Ap4DataBuffer.h header file, making it a fundamental component of the library's data handling architecture. The flaw arises from insufficient bounds checking when processing data buffers, creating an exploitable condition that can be leveraged by remote attackers. The vulnerability's classification as critical reflects its potential for severe system compromise, particularly given that the attack can be executed remotely without requiring local system access. The attack complexity is rated as high, indicating that exploitation requires significant technical expertise and specific conditions to be met successfully. This difficulty level suggests that while the vulnerability is real and dangerous, it may not be easily exploited by automated tools or casual attackers. The public disclosure of exploit techniques further elevates the risk profile, as threat actors now have documented methods for leveraging this weakness. The rolling release model employed by Axiomatic Bento4 complicates remediation efforts since the continuous delivery approach means that version identification becomes challenging and may not provide clear guidance on affected or fixed releases.
The technical nature of this heap-based buffer overflow stems from improper memory management within the AP4_DataBuffer::GetData function, which operates on data buffers that may exceed allocated memory boundaries. This type of vulnerability falls under CWE-121, heap-based buffer overflow, and aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as exploitation may involve crafting malicious input to trigger the overflow and potentially execute arbitrary code. The attack vector is particularly concerning because it can be initiated remotely, meaning that malicious actors can target systems that utilize the vulnerable Bento4 library without needing physical access or local privileges. The exploitation process requires sophisticated understanding of memory corruption techniques and may involve crafting specific media files or data streams that trigger the vulnerable code path when processed by applications using the library. The continuous delivery model of Bento4 presents additional challenges for system administrators and security professionals who must identify vulnerable installations, as the rolling release approach makes it difficult to determine which specific versions contain the vulnerability or have been patched. This uncertainty can lead to delayed remediation efforts and extended exposure windows for systems using the library.
The operational impact of CVE-2025-0870 extends beyond simple code execution, potentially enabling complete system compromise when exploited successfully. Applications that rely on Bento4 for processing multimedia content, particularly those handling user-provided files or streaming data, face significant risk of being targeted by attackers. The vulnerability could enable privilege escalation, data theft, or denial of service conditions depending on how the affected applications are configured and deployed. Security professionals should consider this vulnerability as part of broader threat modeling exercises for systems that process media files, as it represents a potential entry point for sophisticated attacks. The difficulty of exploitation does not diminish its threat level, as determined attackers with sufficient resources can overcome the complexity barriers. Organizations using Bento4 libraries should implement immediate monitoring and alerting for any suspicious file processing activities, particularly when dealing with media content from untrusted sources. The lack of specific version details in the rolling release model requires security teams to adopt more proactive approaches to vulnerability management, including regular library audits and dependency scanning to identify potentially vulnerable installations. This situation underscores the importance of maintaining detailed inventory of software dependencies and implementing robust patch management processes, especially for libraries that operate under continuous delivery models where traditional version control becomes less effective for vulnerability tracking and remediation planning.