SB2023110629 - Multiple vulnerabilities in Moxa PT-G503 Series



SB2023110629 - Multiple vulnerabilities in Moxa PT-G503 Series

Published: November 6, 2023 Updated: January 23, 2025

Security Bulletin ID SB2023110629
Severity
Medium
Patch available
YES
Number of vulnerabilities 7
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 14% Low 86%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 7 secuirty vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2015-9251)

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 when a cross-domain Ajax request is performed without the dataType option. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary text/javascript responses 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) Prototype pollution (CVE-ID: CVE-2019-11358)

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation. A remote attacker can pass specially crafted input to the application and perform prototype pollution, which can result in information disclosure or data manipulation.


3) Cross-site scripting (CVE-ID: CVE-2020-11022)

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 in the regex operation in "jQuery.htmlPrefilter". A remote attacker can pass specially crafted data to the application that uses .html()</code>, <code>.append() or similar methods for it and execute arbitrary JavaScript 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.


4) Cross-site scripting (CVE-ID: CVE-2020-11023)

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 when passing <option> elements to jQuery’s DOM manipulation methods. A remote attacker can execute arbitrary JavaScript 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.


5) Inadequate Encryption Strength (CVE-ID: CVE-2005-4900)

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

The vulnerability exists due to inadequate encryption strength. A remote attacker can decrypt the data using spoofing attacks.


6) Sensitive Cookie Without 'HttpOnly' Flag (CVE-ID: CVE-2023-4217)

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

The vulnerability exists due to the "HTTPOnly" flag is not set. A remote attacker can gain unauthorized access to user session data.


7) Sensitive Cookie in HTTPS Session Without 'Secure' Attribute (CVE-ID: CVE-2023-5035)

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

The vulnerability exists due to the affected application uses sensitive cookies without "Secure" attribute. A remote attacker can cause the cookie to be transmitted in plaintext over an HTTP session.


Remediation

Install update from vendor's website.