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CVE-2022-23082
Date: May 31, 2022
Overview
In CureKit versions v1.0.1 through v1.1.3 are vulnerable to path traversal as the function ‘isFileOutsideDir’ fails to sanitize the user input which may lead to path traversal.Details
In CureKit versions v1.0.1 through v1.1.3 the function ‘isFileOutsideDir fails to sanitize the user input which may allow to malicious actor to exploit this vulnerability and to bypass access restriction to specific path.We would like to thank Jonathan Leitschuh for bringing this to our attention.
PoC Details
The check ‘usr/outnot’.startsWith(‘/usr/out’) will pass even 'outnot' is not under the 'out' directoryAffected Environments
CureKit versions v1.0.1 through v1.1.3Prevention
Upgrade to v1.1.4Language: Java
Good to know:
| Base Score: |
|
|---|---|
| Attack Vector (AV): | Network |
| Attack Complexity (AC): | Low |
| Privileges Required (PR): | None |
| User Interaction (UI): | None |
| Scope (S): | Unchanged |
| Confidentiality (C): | High |
| Integrity (I): | None |
| Availability (A): | None |
| Base Score: |
|
|---|---|
| Access Vector (AV): | Network |
| Access Complexity (AC): | Low |
| Authentication (AU): | None |
| Confidentiality (C): | Partial |
| Integrity (I): | None |
| Availability (A): | None |
| Additional information: |