Discover the critical heap buffer overflow vulnerability in Radare2 v5.7.0 via function consume_encoded_name_new. Learn about the impact, technical details, and mitigation of CVE-2022-34502.
Radare2 v5.7.0 has been identified with a critical heap buffer overflow vulnerability in the function
consume_encoded_name_new
located at format/wasm/wasm.c
. This vulnerability enables malicious actors to trigger a Denial of Service (DoS) attack through a specifically crafted binary file.
Understanding CVE-2022-34502
This section dives into the details of the CVE-2022-34502 vulnerability.
What is CVE-2022-34502?
The CVE-2022-34502 vulnerability is present in Radare2 v5.7.0 and arises due to a heap buffer overflow in the
consume_encoded_name_new
function, allowing threat actors to execute a DoS attack using a malicious binary file.
The Impact of CVE-2022-34502
The exploitation of CVE-2022-34502 can lead to a significant Denial of Service (DoS) scenario, disrupting the normal operation of the affected system.
Technical Details of CVE-2022-34502
Let's take a closer look at the technical aspects of CVE-2022-34502.
Vulnerability Description
The vulnerability involves a heap buffer overflow in Radare2 v5.7.0, specifically within the
consume_encoded_name_new
function in format/wasm/wasm.c
.
Affected Systems and Versions
Radare2 v5.7.0 is the version impacted by this vulnerability, affecting systems that utilize this specific version of the software.
Exploitation Mechanism
Threat actors can exploit this vulnerability by crafting a binary file to trigger the heap buffer overflow through the
consume_encoded_name_new
function.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks associated with CVE-2022-34502.
Immediate Steps to Take
It is crucial to apply immediate security measures to prevent exploitation of this vulnerability and safeguard the system against potential DoS attacks.
Long-Term Security Practices
Implement robust security protocols and practices to fortify the system's defenses against similar vulnerabilities in the future.
Patching and Updates
Ensure that Radare2 is updated to a patched version that addresses the heap buffer overflow vulnerability in
consume_encoded_name_new
to eliminate the risk of DoS attacks.