CVE-2018-8733 : Authentication bypass vulnerability in the core config manager in Nagios XI 5.2.

Authentication bypass vulnerability in the core config manager in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an unauthenticated attacker to make configuration changes and leverage an authenticated SQL injection vulnerability.

Published 2018-04-18 00:29:00

Updated 2019-10-03 00:03:26

Source MITRE

View at NVD, CVE.org

Vulnerability category: Sql Injection

Products affected by CVE-2018-8733

Nagios » Nagios Xi
Versions from including (>=) 5.2.0 and before (<) 5.4.13
cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-8733

EPSS FAQ

11.63%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 95 %

Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2018-8733

Nagios XI Chained Remote Code Execution

Disclosure Date: 2018-04-17

First seen: 2020-04-26

exploit/linux/http/nagios_xi_chained_rce_2_electric_boogaloo

This module exploits a few different vulnerabilities in Nagios XI 5.2.6-5.4.12 to gain remote root access. The steps are: 1. Issue a POST request to /nagiosql/admin/settings.php which sets the database user to root. 2. SQLi on /nagiosql/admin/helpedit.php allows

More information

CVSS scores for CVE-2018-8733

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-8733

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-8733

https://www.exploit-db.com/exploits/44560/

Nagios XI 5.2.6 < 5.2.9 / 5.3 / 5.4 - Chained Remote Root
Exploit;Third Party Advisory;VDB Entry

CVEs referencing this url
https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0f

NagiosXI remote root vulnerability CVE-2018-8733, CVE-2018-8734, CVE-2018-8735, CVE-2018-8736 · GitHub
Third Party Advisory

CVEs referencing this url
https://www.nagios.com/downloads/nagios-xi/change-log/

Nagios XI Change Log - Nagios
Release Notes;Vendor Advisory

CVEs referencing this url
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT

Release Notes;Vendor Advisory

CVEs referencing this url
https://www.exploit-db.com/exploits/44969/

Nagios XI 5.2.6-5.4.12 - Chained Remote Code Execution (Metasploit)
Exploit;Third Party Advisory;VDB Entry

CVEs referencing this url
https://blog.redactedsec.net/exploits/2018/04/26/nagios.html

Exploit;Technical Description;Third Party Advisory

CVEs referencing this url

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