CVE-2018-18315 — HIGH (7.5)

Vulnerability Description

com/mossle/cdn/CdnController.java in lemon 1.9.0 allows attackers to upload arbitrary files because the copyMultipartFileToFile method in CdnUtils only checks for a ../ substring, and does not validate the file type and spaceName parameter.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Mossle	Lemon	1.9.0

Related Weaknesses (CWE)

CWE-434

References

https://github.com/xuhuisheng/lemon/issues/175Third Party Advisory
https://github.com/xuhuisheng/lemon/issues/175Third Party Advisory

FAQ

What is CVE-2018-18315?

CVE-2018-18315 is a vulnerability with a CVSS score of 7.5 (HIGH). com/mossle/cdn/CdnController.java in lemon 1.9.0 allows attackers to upload arbitrary files because the copyMultipartFileToFile method in CdnUtils only checks for a ../ substring, and does not validat...

How severe is CVE-2018-18315?

CVE-2018-18315 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-18315?

Check the references section above for vendor advisories and patch information. Affected products include: Mossle Lemon.