CVE-2023-25402
Published: 03 March 2023
Summary
CVE-2023-25402 is a high-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Yf-Exam Project Yf-Exam. Its CVSS base score is 7.5 (High).
Operationally, ranked at the 41.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-29357
Vulnerability details
CleverStupidDog yf-exam 1.8.0 is vulnerable to File Upload. There is no restriction on the suffix of the uploaded file, resulting in any file upload.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
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.