Vulnerability identifier: #VU65380

Vulnerability risk: Medium

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-33891

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Apache Spark
Server applications / Frameworks for developing and running applications

Vendor: Apache Foundation

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the ACL feature within the Apache Spark UI. A remote user can request a specially crafted URL and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires that "spark.acls.enable" option is set.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Spark: 3.2.0 - 3.2.1, 3.0.0 - 3.0.3, 3.1.1 - 3.1.2

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External links
http://seclists.org/oss-sec/2022/q3/51

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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?

Yes. This vulnerability is being exploited in the wild.