Vulnerability Name:

CVE-2018-8736 (CCN-142105)

Assigned:2018-03-13
Published:2018-03-13
Updated:2019-10-03
Summary:A privilege escalation vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to leverage an RCE vulnerability escalating to root.
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-noinfo
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2018-8736

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, Release Notes, Technical Description, Third Party Advisory
https://blog.redactedsec.net/exploits/2018/04/26/nagios.html

Source: XF
Type: UNKNOWN
nagios-cve20188736-priv-esc(142105)

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:20188736000
    V
    		CVE-2018-8736 on Ubuntu 17.10 (artful) - high.
    2018-04-17
    oval:com.ubuntu.trusty:def:20188736000
    V
    		CVE-2018-8736 on Ubuntu 14.04 LTS (trusty) - high.
    2018-04-17
    oval:com.ubuntu.xenial:def:20188736000
    V
    		CVE-2018-8736 on Ubuntu 16.04 LTS (xenial) - high.
    2018-04-17
    oval:com.ubuntu.xenial:def:201887360000000
    V
    		CVE-2018-8736 on Ubuntu 16.04 LTS (xenial) - high.
    2018-04-17
    BACK
    nagios nagios xi *
    nagios nagios xi 5.4.12