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CVE-2018-1000839 : Exploit Details and Defense Strategies

Learn about CVE-2018-1000839 affecting LH-EHR version REL-2_0_0. Discover the impact, affected systems, exploitation method, and mitigation steps to prevent remote code execution.

LH-EHR version REL-2_0_0 contains a security vulnerability related to the upload feature for profile pictures, allowing for remote code execution.

Understanding CVE-2018-1000839

What is CVE-2018-1000839?

The vulnerability in LH-EHR version REL-2_0_0 enables attackers to execute remote code by uploading a PHP file disguised as an image file.

The Impact of CVE-2018-1000839

This vulnerability poses a significant risk as it allows malicious actors to potentially take control of the affected system through remote code execution.

Technical Details of CVE-2018-1000839

Vulnerability Description

The security flaw in LH-EHR version REL-2_0_0 is an Arbitrary File Upload vulnerability in the profile picture upload feature, leading to Remote Code Execution.

Affected Systems and Versions

        LH-EHR version REL-2_0_0
        All instances where this version is deployed

Exploitation Mechanism

        Attackers exploit the vulnerability by uploading a PHP file disguised as an image file

Mitigation and Prevention

Immediate Steps to Take

        Disable the profile picture upload feature if not essential
        Implement file type validation to prevent uploading executable files
        Regularly monitor and audit uploaded files for suspicious content

Long-Term Security Practices

        Conduct regular security assessments and penetration testing
        Keep software and systems up to date with the latest security patches

Patching and Updates

        Apply patches provided by the software vendor to address the vulnerability

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