Information disclosure in Apache Cassandra

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU46223

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13946

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due application allows remote method invocation. A local user with limited access to the system can use RMI rebind attack vector to perform a MitM attack and obtain user names and passwords used to access the JMX interface.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cassandra: 2.1 - 3.11.7

External links

http://lists.apache.org/thread.html/r1fd117082b992e7d43c1286e966c285f98aa362e685695d999ff42f7@%3Cuser.cassandra.apache.org%3E
http://lists.apache.org/thread.html/r718e01f61b35409a4f7a3ccbc1cb5136a1558a9f9c2cb8d4ca9be1ce@%3Cuser.cassandra.apache.org%3E
http://lists.apache.org/thread.html/rcd7544b24d8fc32b7950ec4c117052410b661babaa857fb1fc641152%40%3Cuser.cassandra.apache.org%3E

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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