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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