This security advisory describes one medium risk vulnerability.

1) Improper Authentication

Risk: Medium

CVSSv3:
5.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2019-20933

CWE-ID:
CWE-287 – Improper Authentication

Exploit availability:
No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due the JWT token may have an empty SharedSecret in the authenticate function in services/httpd/handler.go. A remote non-authenticated attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation

Update influxdb package to version 1.6.4-1+deb10u1.

Vulnerable software versions

influxdb (Debian package): 1.6.1-1, 1.6.3-1, 1.6.4, 1.6.4-1, 1.6.4-1+b22, 1.6.4-2

CPE

External links

https://www.debian.org/security/2021/dsa-4823

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.



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