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Vulnerability Details : CVE-2019-15949

Nagios XI before 5.6.6 allows remote command execution as root. The exploit requires access to the server as the nagios user, or access as the admin user via the web interface. The getprofile.sh script, invoked by downloading a system profile (profile.php?cmd=download), is executed as root via a passwordless sudo entry; the script executes check_plugin, which is owned by the nagios user. A user logged into Nagios XI with permissions to modify plugins, or the nagios user on the server, can modify the check_plugin executable and insert malicious commands to execute as root.
Publish Date : 2019-09-05 Last Update Date : 2019-09-06
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- CVSS Scores & Vulnerability Types

CVSS Score
9.0
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 77

- Products Affected By CVE-2019-15949

# Product Type Vendor Product Version Update Edition Language
1 Application Nagios Nagios Xi 5 R1.0 Version Details Vulnerabilities
2 Application Nagios Nagios Xi 5.2.0 Version Details Vulnerabilities
3 Application Nagios Nagios Xi 5.2.1 Version Details Vulnerabilities
4 Application Nagios Nagios Xi 5.2.2 Version Details Vulnerabilities
5 Application Nagios Nagios Xi 5.2.3 Version Details Vulnerabilities
6 Application Nagios Nagios Xi 5.2.4 Version Details Vulnerabilities
7 Application Nagios Nagios Xi 5.2.5 Version Details Vulnerabilities
8 Application Nagios Nagios Xi 5.2.6 Version Details Vulnerabilities
9 Application Nagios Nagios Xi 5.2.7 Version Details Vulnerabilities
10 Application Nagios Nagios Xi 5.2.8 Version Details Vulnerabilities
11 Application Nagios Nagios Xi 5.2.9 Version Details Vulnerabilities
12 Application Nagios Nagios Xi 5.3.0 Version Details Vulnerabilities
13 Application Nagios Nagios Xi 5.3.1 Version Details Vulnerabilities
14 Application Nagios Nagios Xi 5.3.2 Version Details Vulnerabilities
15 Application Nagios Nagios Xi 5.3.3 Version Details Vulnerabilities
16 Application Nagios Nagios Xi 5.3.4 Version Details Vulnerabilities
17 Application Nagios Nagios Xi 5.4.0 Version Details Vulnerabilities
18 Application Nagios Nagios Xi 5.4.1 Version Details Vulnerabilities
19 Application Nagios Nagios Xi 5.4.2 Version Details Vulnerabilities
20 Application Nagios Nagios Xi 5.4.3 Version Details Vulnerabilities
21 Application Nagios Nagios Xi 5.4.4 Version Details Vulnerabilities
22 Application Nagios Nagios Xi 5.4.5 Version Details Vulnerabilities
23 Application Nagios Nagios Xi 5.4.6 Version Details Vulnerabilities
24 Application Nagios Nagios Xi 5.4.7 Version Details Vulnerabilities
25 Application Nagios Nagios Xi 5.4.8 Version Details Vulnerabilities
26 Application Nagios Nagios Xi 5.4.9 Version Details Vulnerabilities
27 Application Nagios Nagios Xi 5.4.10 Version Details Vulnerabilities
28 Application Nagios Nagios Xi 5.4.11 Version Details Vulnerabilities
29 Application Nagios Nagios Xi 5.4.12 Version Details Vulnerabilities
30 Application Nagios Nagios Xi 5.4.13 Version Details Vulnerabilities
31 Application Nagios Nagios Xi 5.5.0 Version Details Vulnerabilities
32 Application Nagios Nagios Xi 5.5.1 Version Details Vulnerabilities
33 Application Nagios Nagios Xi 5.5.2 Version Details Vulnerabilities
34 Application Nagios Nagios Xi 5.5.3 Version Details Vulnerabilities
35 Application Nagios Nagios Xi 5.5.4 Version Details Vulnerabilities
36 Application Nagios Nagios Xi 5.5.5 Version Details Vulnerabilities
37 Application Nagios Nagios Xi 5.5.6 Version Details Vulnerabilities
38 Application Nagios Nagios Xi 5.5.7 Version Details Vulnerabilities
39 Application Nagios Nagios Xi 5.5.8 Version Details Vulnerabilities
40 Application Nagios Nagios Xi 5.5.9 Version Details Vulnerabilities
41 Application Nagios Nagios Xi 5.5.10 Version Details Vulnerabilities
42 Application Nagios Nagios Xi 5.5.11 Version Details Vulnerabilities
43 Application Nagios Nagios Xi 5.6.0 Version Details Vulnerabilities
44 Application Nagios Nagios Xi 5.6.1 Version Details Vulnerabilities
45 Application Nagios Nagios Xi 5.6.2 Version Details Vulnerabilities
46 Application Nagios Nagios Xi 5.6.3 Version Details Vulnerabilities
47 Application Nagios Nagios Xi 5.6.4 Version Details Vulnerabilities
48 Application Nagios Nagios Xi 5.6.5 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Nagios Nagios Xi 48

- References For CVE-2019-15949

https://github.com/jakgibb/nagiosxi-root-rce-exploit

- Metasploit Modules Related To CVE-2019-15949

Nagios XI Authenticated Remote Command Execution
This module exploits a vulnerability in Nagios XI before 5.6.6 in order to execute arbitrary commands as root. The module uploads a malicious plugin to the Nagios XI server and then executes this plugin by issuing an HTTP GET request to download a system profile from the server. For all supported targets except Linux (cmd), the module uses a command stager to write the exploit to the target via the malicious plugin. This may not work if Nagios XI is running in a restricted Unix environment, so in that case the target must be set to Linux (cmd). The module then writes the payload to the malicious plugin while avoiding commands that may not be supported. Valid credentials for a user with administrative privileges are required. This module was successfully tested on Nagios XI 5.6.5 running on CentOS 7. The module may behave differently against older versions of Nagios XI. See the documentation for more information.
Module type : exploit Rank : excellent


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