Vulnerability identifier: #VU59274

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-45456

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Kylin
Server applications / Database software

Vendor: Apache Foundation

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exist due to improper input validation when processing project names. A remote user can pass a specially crafted project name that is later passed as the shell command argument in DiagnosisService and execute arbitrary OS commands on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Kylin: 4.0.0

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External links
http://lists.apache.org/thread/70fkf9w1swt2cqdcz13rwfjvblw1fcpf
http://www.openwall.com/lists/oss-security/2022/01/06/1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.