SB2020072350 - Multiple vulnerabilities in Nagios XI

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Main Vulnerability Database SB2020072350

SB2020072350 - Multiple vulnerabilities in Nagios XI

Published: July 23, 2020 Updated: August 8, 2020

Security Bulletin ID SB2020072350
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2020-15901)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In Nagios XI before 5.7.3, ajaxhelper.php allows remote authenticated attackers to execute arbitrary commands via cmdsubsys.


2) Cross-site scripting (CVE-ID: CVE-2020-15902)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks via the link url option.

The vulnerability exists due to insufficient sanitization of user-supplied data. 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.


Remediation

Install update from vendor's website.

References