Apache Cassandra up to 3.11.1 JMX/RMI Interface RMI Request command injection

Summaryinfo

A vulnerability, which was classified as critical, was found in Apache Cassandra up to 3.11.1. This issue affects some unknown processing of the component JMX/RMI Interface Handler. Such manipulation as part of RMI Request leads to command injection. This vulnerability is referenced as CVE-2018-8016. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apache Cassandra up to 3.11.1. Affected by this issue is some unknown functionality of the component JMX/RMI Interface Handler. The manipulation as part of a RMI Request leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The default configuration in Apache Cassandra 3.8 through 3.11.1 binds an unauthenticated JMX/RMI interface to all network interfaces, which allows remote attackers to execute arbitrary Java code via an RMI request. This issue is a regression of CVE-2015-0225. The regression was introduced in https://issues.apache.org/jira/browse/CASSANDRA-12109. The fix for the regression is implemented in https://issues.apache.org/jira/browse/CASSANDRA-14173. This fix is contained in the 3.11.2 release of Apache Cassandra.

The bug was discovered 06/26/2018. The weakness was published 06/28/2018 (Website). The advisory is shared for download at lists.apache.org. This vulnerability is handled as CVE-2018-8016 since 03/09/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/23/2020). The MITRE ATT&CK project declares the attack technique as T1202.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371035 (Apache Cassandra Arbitrary Java Code Execution Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Apache

Name

• Cassandra

Version

• 3.11.0
• 3.11.1

License

• open-source

Website

• Vendor: https://www.apache.org/

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