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A vulnerability, which was classified as critical, was found in zhangyanbo2007 youkefu up to 4.2.0. Affected is the function Upload of the file \youkefu-master\src\main\java\com\ukefu\webim\web\handler\resource\MediaController.java. The manipulation of the argument imgFile leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Es wurde eine Schwachstelle in zhangyanbo2007 youkefu bis 4.2.0 gefunden. Sie wurde als kritisch eingestuft. Es geht dabei um die Funktion Upload der Datei \youkefu-master\src\main\java\com\ukefu\webim\web\handler\resource\MediaController.java. Dank der Manipulation des Arguments imgFile mit unbekannten Daten kann eine unrestricted upload-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-05-04 | Published 2025-05-05 | Updated 2025-05-05 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P

Problem types

Unrestricted Upload

Improper Access Controls

Product status

4.0
affected

4.1
affected

4.2.0
affected

Timeline

2025-05-04:Advisory disclosed
2025-05-04:VulDB entry created
2025-05-04:VulDB entry last update

Credits

Fc04dB (VulDB User) reporter

References

vuldb.com/?id.307362 (VDB-307362 | zhangyanbo2007 youkefu MediaController.java upload unrestricted upload) vdb-entry technical-description

vuldb.com/?ctiid.307362 (VDB-307362 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.562848 (Submit #562848 | https://github.com/zhangyanbo2007/youkefu ukefu 1.0 Unrestricted Upload) third-party-advisory

github.com/Fc04dB/VUL/blob/main/ukefu_upload.md exploit

cve.org (CVE-2025-4258)

nvd.nist.gov (CVE-2025-4258)

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