SB2023122009 - Multiple vulnerabilities in EFACEC UC 500E



SB2023122009 - Multiple vulnerabilities in EFACEC UC 500E

Published: December 20, 2023

Security Bulletin ID SB2023122009
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Cleartext transmission of sensitive information (CVE-ID: CVE-2023-50703)

CWE-ID: CWE-319 - Cleartext Transmission of Sensitive Information

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information. A remote attacker with ability to intercept network traffic can gain access to sensitive data.


2) Open redirect (CVE-ID: CVE-2023-50704)

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data. An attacker with physical access can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a local attacker to perform a phishing attack and steal potentially sensitive information.


3) Information disclosure (CVE-ID: CVE-2023-50705)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to excessive data output by the application. A remote attacker can gain unauthorized access to sensitive information on the system.


4) Improper access control (CVE-ID: CVE-2023-50706)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. An authenticated attacker with physical access can perform a memory dump of the running processes and extract clear credentials or valid session tokens.


Remediation

Install update from vendor's website.