CVE-2023-29145

Dec 23, 2024

Published Date: 2023-06-30T20:15:09.427
Last Modified: 2024-11-26T21:15:05.140

CVSS Score: 7.8 (HIGH)

EPSS Score: 0.04%

Risk Score: 5.46 (HIGH)

Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.

Meter Needle
CVSS: 7.8  |  EPSS: 0.04%

Description: The Malwarebytes EDR 1.0.11 for Linux driver doesn’t properly ensure whitelisting of executable libraries loaded by executable files, allowing arbitrary code execution. The attacker can set LD_LIBRARY_PATH, set LD_PRELOAD, or run an executable file in a debugger.

Mitre ATT&CK Technical v15.1

T1587.001 – Malware
T1588.001 – Malware
T1053.002 – At

Technical Analysis & Mitigation Measures

1. Technical Attack Analysis:

The vulnerability described in CVE-2023-29145 pertains to a weakness in the Malwarebytes EDR for Linux, specifically related to improper whitelisting of executable libraries. This flaw allows an attacker to execute arbitrary code by manipulating the environment variables such as `LD_LIBRARY_PATH` or `LD_PRELOAD`, or by running executables in a debugger.

Attack Techniques:
– T1587.001 – Malware : This technique involves the development or acquisition of malware. In this context, an attacker could leverage the vulnerability to deploy custom malware that exploits the Linux environment without being detected.
– T1588.001 – Malware : Similar to the previous technique, this also focuses on the acquisition of malware, which can be facilitated through the exploitation of the described vulnerability.
– T1053.002 – At : This technique refers to the execution of scheduled tasks or jobs. An attacker could potentially schedule malicious tasks that exploit the arbitrary code execution capability provided by the vulnerability.

Potential Impacts:
– Arbitrary Code Execution : The most critical impact of this vulnerability is the ability for an attacker to execute arbitrary code on affected systems, allowing for potential full system compromise.
– Data Exfiltration and Manipulation : With code execution capabilities, attackers could access sensitive data, exfiltrate it, or manipulate data integrity.
– Persistence and Lateral Movement : Exploiting this vulnerability could enable attackers to establish persistence mechanisms, allowing them to maintain access to the compromised system and possibly move laterally within the network.
– Denial of Service : An attacker could also leverage this vulnerability to disrupt services by executing malicious code that affects system stability and availability.

2. Mitigation Measures:

– Strengthen Security Configurations :
– Enable multi-factor authentication (MFA) for all user accounts, especially those with administrative privileges.
– Restrict permissions for executable files and libraries to only those users and processes that require access.
– Regularly review and update security configurations and policies related to executable file handling.

– Utilize Specific Tools or Security Software :
– Deploy an advanced endpoint protection solution that includes behavior-based detection capabilities to identify and block anomalous activities.
– Use intrusion detection systems (IDS) to monitor and alert on suspicious changes to system libraries and executable files.
– Implement antivirus software that is capable of detecting known malware signatures and heuristic anomalies.

– Implement Monitoring and Reporting Practices :
– Enable logging for all system activities, especially for changes involving executable files and libraries.
– Set up alerts for unusual activities, such as unexpected changes to the `LD_LIBRARY_PATH` or `LD_PRELOAD` variables.
– Conduct regular audits of security logs to identify and investigate potential exploitation attempts or suspicious behaviors.

By implementing these mitigation strategies, organizations can significantly reduce the risk posed by CVE-2023-29145 and protect their systems from potential exploitation.

The content above is generated by AI. Please review and consider carefully before applying!

Reference Links

Vendor - Produce - Version

malwarebytes - endpoint_detection_and_response - *, malwarebytes - malwarebytes - *

Disclaimer

The content on this website is automatically sourced from external websites such as the National Vulnerability Database (NVD), GitHub, and other security-related sources. This content is for reference purposes only, and we are not responsible for the accuracy or integrity of the information linked or displayed from these sources.