CVE-2024-52677

https://nvd.nist.gov/vuln/detail/CVE-2024-52677

1. Technical Attack Analysis

CVE-2024-52677 identifies a vulnerability in HkCms versions up to 2.3.2.240702, specifically in the `getFileName` method within the `/app/common/library/Upload.php` file. This vulnerability allows for an unauthorized file upload, which can lead to several attack techniques as defined in the MITRE ATT&CK framework.

Potential Attack Techniques:
– Initial Access (T1190) : Attackers can exploit this vulnerability to upload malicious files (e.g., web shells, scripts) to the server, granting them unauthorized access to the system.
– Execution (T1203) : Once malicious files are uploaded, attackers can execute arbitrary code on the server, allowing them to perform further malicious actions.
– Persistence (T1547) : Uploaded files may be used to maintain a foothold within the environment, enabling attackers to return and exploit the system repeatedly.
– Exfiltration (T1041) : Attackers can leverage unauthorized access to extract sensitive data from the compromised system.
– Impact (T1489) : The exploitation of this vulnerability can lead to data loss, service disruption, or full system compromise.

Potential Impacts if Exploited:
– Unauthorized access to system resources and sensitive data.
– Disruption of services or denial of service to legitimate users.
– Long-term persistence in the environment, leading to continuous threats and exploitation.
– Damage to reputation and potential regulatory penalties due to data breaches.

2. Mitigation Measures

– Strengthen Security Configurations:
– Enable multi-factor authentication for all administrative access points.
– Restrict file upload permissions to trusted roles and validate file types.
– Implement strict input validation and sanitization in file upload processes.
– Use secure coding practices to prevent file manipulation vulnerabilities.

– Utilize Specific Tools or Security Software:
– Deploy web application firewalls (WAF) to filter and monitor HTTP traffic.
– Utilize antivirus solutions to scan uploaded files for malicious content.
– Implement intrusion detection systems (IDS) to detect abnormal activities related to file uploads.

– Implement Monitoring and Reporting Practices:
– Enable detailed logging for file upload activities to track unauthorized attempts.
– Set up real-time alerts for suspicious file uploads or changes to existing files.
– Regularly review logs and alerts for unusual patterns or unauthorized access attempts.
– Conduct periodic security assessments and penetration testing to identify and remediate vulnerabilities.

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https://github.com/J-0k3r/CVE-2024-52677
https://github.com/J-0k3r/test/blob/main/upload.pdf
https://github.com/advisories/ghsa-j27h-7c89-c3c6