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Date: Wed, 20 May 2020 12:49:32 +0800
From: George Ni <nic@...che.org>
To: user <user@...in.apache.org>, dev <dev@...in.apache.org>, announce@...che.org, 
	Johannes Dahse <jdahse@...stech.com>, Apache Security Team <security@...che.org>, 
	oss-security@...ts.openwall.com
Subject: [CVE-2020-1956] Apache Kylin command injection vulnerability

Severity: Important

Vendor:
The Apache Software Foundation

Versions Affected:
Kylin 2.3.0 to 2.3.2
Kylin 2.4.0 to 2.4.1
Kylin 2.5.0 to 2.5.2
Kylin 2.6.0 to 2.6.5
Kylin 3.0.0-alpha, Kylin 3.0.0-alpha2, Kylin 3.0.0-beta, Kylin 3.0.0, Kylin
3.0.1

Description:
Kylin has some restful apis which will concatenate os command with the user
input string, a user is likely to be able to execute any os command without
any protection or validation.

Mitigation:
Users should upgrade to 3.0.2 or 2.6.6 or set
kylin.tool.auto-migrate-cube.enabled to false to disable command execution.

Credit:
This issue was discovered by ´╗┐Johannes Dahse.

References:
https://kylin.apache.org/docs/security.html

-- 

---------------------

Best regards,



Ni Chunen / George

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