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CVE-2018-18315

Date: October 14, 2018

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.

Language: Java

Severity Score

Related Resources (3)

https://github.com/xuhuisheng/lemon/issues/175
https://nvd.nist.gov/vuln/detail/CVE-2018-18315
https://www.mend.io/vulnerability-database/CVE-2018-18315

Severity Score

Weakness Type (CWE)

Unrestricted Upload of File with Dangerous Type

CWE-434

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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