Vulnerability identifier: #VU47648

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13955

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Calcite
Server applications / Database software

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to HttpUtils#getURLConnection method disables explicitly hostname verification for HTTPS connections making clients vulnerable to man-in-the-middle attacks. Calcite uses internally this method to connect with Druid and Splunk so information leakage may happen when using the respective Calcite adapters.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Calcite: 0.8 - 1.25.0

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External links
http://lists.apache.org/thread.html/r0b0fbe2038388175951ce1028182d980f9e9a7328be13d52dab70bb3%40%3Cdev.calcite.apache.org%3E

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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.