CVE-2023-52044
Published: 31 October 2024
Summary
CVE-2023-52044 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Std42 Elfinder. Its CVSS base score is 9.8 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Web Shell (T1505.003); ranked in the top 14.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-56723
Vulnerability details
Studio-42 eLfinder 2.1.62 is vulnerable to Remote Code Execution (RCE) as there is no restriction for uploading files with the .php8 extension.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The vulnerability enables unrestricted upload of .php8 files containing PHP code, which executes as a web shell in certain server configurations, facilitating exploitation of public-facing web applications and web shell deployment for execution and persistence.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.
Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.
Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.
Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.