CVE-2022-47381 Explained : Impact and Mitigation
Learn about CVE-2022-47381 affecting multiple CODESYS products, posing a high-risk of denial-of-service, memory corruption, and remote code execution. Explore impact, technical details, and mitigation strategies.
A detailed overview of CVE-2022-47381 focusing on the vulnerability in multiple CODESYS products leading to a denial-of-service condition, memory overwriting, or remote code execution.
Understanding CVE-2022-47381
This section delves into the impact, technical details, and mitigation strategies related to the CVE-2022-47381 vulnerability.
What is CVE-2022-47381?
An authenticated remote attacker can leverage a stack-based out-of-bounds write vulnerability in various CODESYS products across multiple versions to tamper with the stack, potentially resulting in denial-of-service, memory corruption, or remote code execution.
The Impact of CVE-2022-47381
The vulnerability poses a significant threat with a CVSS v3.1 base score of 8.8 (High), impacting confidentiality, integrity, and availability. Attack complexity is low, but the attack vector is network-based, requiring low privileges.
Technical Details of CVE-2022-47381
Explore the specifics of the vulnerability, the affected systems, versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability allows an authenticated attacker to perform an out-of-bounds write, compromising the target system's security.
Affected Systems and Versions
Multiple CODESYS products are affected, including Control RTE, Development System, Safety SIL2 Toolkit, among others, with versions prior to V3.5.19.0 or V4.8.0.0.
Exploitation Mechanism
Attackers can exploit this vulnerability remotely by manipulating the stack, leading to severe consequences like denial-of-service, memory tampering, or executing malicious code.
Mitigation and Prevention
Discover the immediate steps and long-term practices to enhance security and safeguard against CVE-2022-47381.
Immediate Steps to Take
Organizations should monitor vendor updates, apply patches promptly, and implement network security measures to mitigate the risk.
Long-Term Security Practices
Enforce the principle of least privilege, conduct regular security assessments, and educate personnel on secure coding practices to prevent similar vulnerabilities.
Patching and Updates
Ensure that affected systems are updated to the latest patched versions to address the CVE-2022-47381 vulnerability effectively.