A problematic vulnerability has been discovered in Axiomatic Bento4 software, affecting an unknown functionality of the component related to an incomplete fix for CVE-2019-13238. Due to this vulnerability, attackers can manipulate the software and cause resource consumption by launching the attack remotely. This exploit has been made public, making it more urgent to address the issue. This vulnerability has been assigned the identifier VDB-212660. In this long-read post, we will explore the details of the exploit, including code snippets and links to original references.


Axiomatic Bento4 is a popular C++ library and tools designed to read, write, and edit MP4 files. It is widely used in multimedia applications and is known for its flexibility and clean design. The incomplete fix related to CVE-2019-13238 has left Bento4 vulnerable to an attack that can cause resource consumption via remote manipulation.

Exploit Details

The attacker can exploit this vulnerability by manipulating the target system remotely, leading to resource consumption. This attack can cause the system to slow down, crash, or exhaust resources, resulting in a denial-of-service situation. As the vulnerability is tied to an incomplete fix of the previous CVE-2019-13238 issue, it is essential to understand the relationship between the two vulnerabilities.

Here's a sample code snippet that demonstrates how an attacker might exploit the vulnerability

#include "Bento4.h"
using namespace Bento4;

int main()
    AP4_ByteStream *input;
    AP4_File file(*input);

    // Manipulate Bento4 to cause resource consumption
    return ;

Original References

To better understand the impact and details of the CVE-2022-3807 vulnerability, it is essential to study the original references related to the issue. Below are some important links to the official documents, discussions, and reports:

Bento4 API Documentation


CVE-2019-13238 Vulnerability Details


Vulnerability Database Entry (VDB-212660)



As the issue is currently present in the Bento4 software, it is crucial to take steps to mitigate the risk associated with the vulnerability. Here are some recommendations:

Keep the Bento4 library up-to-date with the latest patches and updates.

2. Carefully review the usage of Incomplete Fix CVE-2019-13238 related components in code and disable them if not necessary, to reduce the attack surface.

3. Monitor Bento4 resources and usage in your application, and set up alerts for unusual behavior, indicating potential exploitation attempts.


CVE-2022-3807 is a concerning vulnerability present in Axiomatic Bento4 software due to an incomplete fix for CVE-2019-13238. This vulnerability puts users at risk of resource consumption attacks leading to poor performance and possible denial-of-service situations. This long-read post provided details about the exploit, original references, and a code snippet, which can guide you in understanding the impact of this issue. By taking necessary precautions and keeping software up-to-date, developers can minimize the risk associated with this vulnerability.


Published on: 11/01/2022 20:15:00 UTC
Last modified on: 11/03/2022 15:11:00 UTC