Vulnerability Name:

CVE-2018-8735 (CCN-142104)

Assigned:2018-03-13
Published:2018-03-13
Updated:2019-03-04
Summary:Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary commands on the target system, aka OS command injection.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
8.2 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
9.1 Critical (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.0 High (CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-78
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-8735

Source: CCN
Type: Nagios Web site
Nagios

Source: MISC
Type: Release Notes, Vendor Advisory
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT

Source: MISC
Type: Exploit, Technical Description, Third Party Advisory
https://blog.redactedsec.net/exploits/2018/04/26/nagios.html

Source: XF
Type: UNKNOWN
nagios-cve20188735-cmd-exec(142104)

Source: MISC
Type: Third Party Advisory
https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0f

Source: CCN
Type: Packet Storm Security [06-29-2018]
Nagios XI Chained Remote Code Execution

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
44560

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
44969

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.nagios.com/downloads/nagios-xi/change-log/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:nagios:nagios_xi:*:*:*:*:*:*:*:* (Version >= 5.2.0 and < 5.4.13)

    • Configuration CCN 1:
  • cpe:/a:nagios:nagios_xi:5.4.12:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:20188735000
    V
    		CVE-2018-8735 on Ubuntu 17.10 (artful) - high.
    2018-04-17
    oval:com.ubuntu.trusty:def:20188735000
    V
    		CVE-2018-8735 on Ubuntu 14.04 LTS (trusty) - high.
    2018-04-17
    oval:com.ubuntu.xenial:def:20188735000
    V
    		CVE-2018-8735 on Ubuntu 16.04 LTS (xenial) - high.
    2018-04-17
    oval:com.ubuntu.xenial:def:201887350000000
    V
    		CVE-2018-8735 on Ubuntu 16.04 LTS (xenial) - high.
    2018-04-17
    BACK
    nagios nagios xi *
    nagios nagios xi 5.4.12