Vulnerability identifier: #VU14426

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:F/RL:O/RC:C]

CVE-ID: CVE-2018-11770

CWE-ID: CWE-264

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 attacker to bypass security restrictions on the target system.

The vulnerability exists in Apache Spark running standalone master with the REST API enabled, or running Mesos master with cluster mode enabled due to improper security restrictions. A remote unauthenticated attacker can use the REST API, execute a driver program without authentication and perform unauthorized actions.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Apache Spark: 2.3.0 - 2.3.1, 2.2.0 - 2.2.2, 2.1.0 - 2.1.3, 2.0.0 - 2.0.2, 1.6.0 - 1.6.3, 1.5.0 - 1.5.2, 1.4.0 - 1.4.1, 1.3.0 - 1.3.1

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External links
http://spark.apache.org/security.html#CVE-2018-11770

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.