SB2020082805 - Multiple vulnerabilities in Red Lion N-Tron 702-W and 702M12-W

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2020-16210)

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

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote authenticated 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) Stored cross-site scripting (CVE-ID: CVE-2020-16206)

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

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote authenticated attacker can inject 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.

3) Cross-site request forgery (CVE-ID: CVE-2020-16208)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

4) Hidden functionality (CVE-ID: CVE-2020-16204)

The vulnerability allows a remote attacker to compromise vulnerable system

The vulnerability exists due to hidden functionality (backdoor) is present in software. A remote attacker can use this functionality to gain full access to the application and execute commands as root on the device

5) Improper input validation (CVE-ID: CVE-2017-16544)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in the add_match function in libbb/lineedit.c due to the tab autocomplete feature of the shell, used to get a list of filenames in a directory, does not sanitize filenames and results in executing any escape sequence in the terminal. A remote attacker can execute arbitrary code with the system privileges and write arbitrary files.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://ics-cert.us-cert.gov/advisories/icsa-20-240-01
• https://us-cert.cisa.gov/ics/advisories/icsa-20-240-01