CVE-2019-18609 : Exploit Details and Defense Strategies

RabbitMQ-C 0.9.0 is affected by an integer overflow vulnerability in the amqp_handle_input function, leading to heap memory corruption. This CVE details the impact, technical aspects, and mitigation strategies.

Understanding CVE-2019-18609

The vulnerability in RabbitMQ-C 0.9.0 poses a risk of heap memory corruption due to an integer overflow in the amqp_handle_input function.

What is CVE-2019-18609?

An integer overflow in the amqp_handle_input function of RabbitMQ-C 0.9.0 causes heap memory corruption when processing the CONNECTION_STATE_HEADER, potentially triggered by a manipulated frame header from a malicious server.

The Impact of CVE-2019-18609

The vulnerability allows a rogue server to provide a manipulated frame header, resulting in excessive data being copied into a heap buffer, leading to potential heap memory corruption.

Technical Details of CVE-2019-18609

RabbitMQ-C 0.9.0's vulnerability involves an integer overflow leading to heap memory corruption.

Vulnerability Description

The amqp_handle_input function in rabbitmq-c 0.9.0 experiences an integer overflow issue, causing heap memory corruption during the handling of CONNECTION_STATE_HEADER.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Version: N/A

Exploitation Mechanism

A rogue server can provide a manipulated frame header
Results in a smaller target_size value than necessary
Excessive data copied into a heap buffer

Mitigation and Prevention

Steps to address and prevent the CVE-2019-18609 vulnerability.

Immediate Steps to Take

Update RabbitMQ-C to a non-vulnerable version
Monitor for any unusual activity on the network

Long-Term Security Practices

Regularly update software and libraries
Implement network segmentation to contain potential attacks

Patching and Updates

Apply patches provided by RabbitMQ-C promptly