SB2020082017 - Multiple vulnerabilities in Cisco Vision Dynamic Signage Director

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Main Vulnerability Database SB2020082017

SB2020082017 - Multiple vulnerabilities in Cisco Vision Dynamic Signage Director

Published: August 20, 2020

Security Bulletin ID SB2020082017
Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

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

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Stored cross-site scripting (CVE-ID: CVE-2020-3491)

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 web-based management interface of Cisco Vision Dynamic Signage Director. 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) Security restrictions bypass (CVE-ID: CVE-2020-3485)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose role-based access controls in the RBAC functionality of the web management software of Cisco Vision Dynamic Signage Director. A remote authenticated user can view and delete certain screen otherwise restricted content on the system.


3) Path traversal (CVE-ID: CVE-2020-3490)

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the web-based management interface of Cisco Vision Dynamic Signage Director. A remote authenticated administrator can send a specially crafted HTTP request and read arbitrary files on the system.


4) Path traversal (CVE-ID: CVE-2020-3484)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the web-based management interface of Cisco Vision Dynamic Signage Director. A remote non-authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.


Remediation

Install update from vendor's website.

References