CVE-2023-48105 : What You Need to Know
Discover the heap overflow vulnerability in Bytecode alliance wasm-micro-runtime v.1.2.3, allowing denial of service. Learn about impact, affected systems, and mitigation steps.
An heap overflow vulnerability was discovered in Bytecode alliance wasm-micro-runtime v.1.2.3 which allows a remote attacker to cause a denial of service via the wasm_loader_prepare_bytecode function in core/iwasm/interpreter/wasm_loader.c.
Understanding CVE-2023-48105
This section will provide an overview of the CVE-2023-48105 vulnerability.
What is CVE-2023-48105?
CVE-2023-48105 is a heap overflow vulnerability found in Bytecode alliance wasm-micro-runtime v.1.2.3. It can be exploited by a remote attacker to trigger a denial of service by utilizing the wasm_loader_prepare_bytecode function.
The Impact of CVE-2023-48105
The impact of this vulnerability is the potential for a remote attacker to disrupt the availability of the affected system, leading to a denial of service.
Technical Details of CVE-2023-48105
In this section, the technical aspects of CVE-2023-48105 will be discussed.
Vulnerability Description
The vulnerability is due to a heap overflow issue in the wasm-micro-runtime v.1.2.3, specifically within the wasm_loader_prepare_bytecode function in core/iwasm/interpreter/wasm_loader.c.
Affected Systems and Versions
At present, the affected vendor, product, and versions are marked as 'n/a'.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by sending malicious input to trigger the heap overflow in the wasm_loader_prepare_bytecode function, potentially leading to a denial of service.
Mitigation and Prevention
This section will outline the steps to mitigate and prevent exploitation of CVE-2023-48105.
Immediate Steps to Take
Immediate steps include monitoring security advisories, restricting network access to vulnerable systems, and applying security patches as they become available.
Long-Term Security Practices
In the long term, organizations should follow secure coding practices, conduct regular security audits, and train employees on identifying and mitigating security risks.
Patching and Updates
It is crucial to apply updates and patches provided by the vendor promptly to address the vulnerability and enhance the security posture of the affected systems.