Multiple vulnerabilities in OctoPrint

Published: 2021-05-18

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-32561 CVE-2021-32560
CWE-ID	CWE-79 CWE-284
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	OctoPrint Web applications / Modules and components for CMS
Vendor	octoprint.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU53323

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32561

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to API error messages include the values of input parameters. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

OctoPrint: 1.0.0 - 1.5.3

External links

http://github.com/OctoPrint/OctoPrint/releases/tag/1.6.0
http://www.brzozowski.io
http://octoprint.org/blog/2021/04/27/new-release-1.6.0/

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.

2) Improper access control

EUVDB-ID: #VU53326