SB2021051803 - Multiple vulnerabilities in OctoPrint

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2021-32561)

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.

2) Improper access control (CVE-ID: CVE-2021-32560)

The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions in the Logging subsystem. A remote attacker can send a specially crafted request and gain unauthorized access to sensitive information on the target system.

Remediation

Install update from vendor's website.

References

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