CVE-2022-47379 : Exploit Details and Defense Strategies
CVE-2022-47379 involves multiple CODESYS products prone to an out-of-bounds write vulnerability, allowing remote attackers to execute code or cause denial-of-service. Learn about the impact, affected systems, exploitation, and mitigation steps.
This CVE-2022-47379 involves multiple CODESYS products being vulnerable to an out-of-bounds write issue. Below are the details you need to be aware of regarding this vulnerability.
Understanding CVE-2022-47379
This section provides an overview of CVE-2022-47379.
What is CVE-2022-47379?
An authenticated, remote attacker could exploit an out-of-bounds write vulnerability in various CODESYS products across multiple versions. This vulnerability may allow the attacker to write data into memory, potentially resulting in a denial-of-service condition, memory overwriting, or remote code execution.
The Impact of CVE-2022-47379
The impact of CVE-2022-47379 is significant, with a CVSSv3.1 base score of 8.8 (High). The exploitability metrics indicate a low attack complexity and privileges required for the attacker, with a potential for high impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2022-47379
This section delves into the technical aspects of CVE-2022-47379.
Vulnerability Description
The vulnerability involves an out-of-bounds write issue in various CODESYS products, which could lead to memory corruption, denial-of-service, or even remote code execution if exploited by a malicious actor.
Affected Systems and Versions
The affected products include CODESYS Control RTE, Control Win, Safety SIL2, HMI, Control Runtime System Toolkit, and more, with versions less than V3.5.19.0 being susceptible to this vulnerability. Additionally, products like CODESYS Control for BeagleBone, Raspberry Pi, PLCnext, among others, with versions less than V4.8.0.0 are also impacted.
Exploitation Mechanism
An authenticated remote attacker could leverage this vulnerability to perform out-of-bounds write operations on affected CODESYS products, manipulating memory content to trigger various malicious outcomes such as denial-of-service, memory overwriting, or executing arbitrary code.
Mitigation and Prevention
Understanding how to mitigate and prevent CVE-2022-47379 is crucial to safeguarding systems against potential attacks.
Immediate Steps to Take
Users and administrators are advised to apply security patches promptly and follow vendor recommendations to address the vulnerability. Restricting network access to vulnerable systems can also help reduce the attack surface.
Long-Term Security Practices
Maintaining up-to-date software versions, conducting regular security assessments, and implementing strong access controls and network segmentation are essential for long-term security.
Patching and Updates
Regularly monitor security advisories from CODESYS and apply security patches and updates as soon as they become available to eliminate the vulnerability and enhance overall system security.