Vulnerability Name:

CVE-2018-6534 (CCN-139746)

Assigned:2018-02-21
Published:2018-02-21
Updated:2018-03-16
Summary:An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/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): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-6534

Source: XF
Type: UNKNOWN
icinga-cve20186534-dos(139746)

Source: CCN
Type: Icinga GIT Repository
Fix nullptr dereferences #6104

Source: CONFIRM
Type: Third Party Advisory
https://github.com/Icinga/icinga2/pull/6104

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-6534

Vulnerable Configuration:Configuration 1:
  • cpe:/a:icinga:icinga:*:*:*:*:*:*:*:* (Version >= 2.0.0 and <= 2.8.1)

    • Configuration CCN 1:
  • cpe:/a:icinga:icinga:2.8.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:112427
    P
    		icinga2-2.13.1-1.3 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105933
    P
    		icinga2-2.13.1-1.3 on GA media (Moderate)
    2021-10-01
    oval:com.ubuntu.xenial:def:201865340000000
    V
    		CVE-2018-6534 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2018-02-27
    oval:com.ubuntu.artful:def:20186534000
    V
    		CVE-2018-6534 on Ubuntu 17.10 (artful) - untriaged.
    2018-02-27
    oval:com.ubuntu.xenial:def:20186534000
    V
    		CVE-2018-6534 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2018-02-27
    oval:com.ubuntu.disco:def:201865340000000
    V
    		CVE-2018-6534 on Ubuntu 19.04 (disco) - untriaged.
    2018-02-27
    oval:com.ubuntu.bionic:def:20186534000
    V
    		CVE-2018-6534 on Ubuntu 18.04 LTS (bionic) - untriaged.
    2018-02-27
    oval:com.ubuntu.cosmic:def:201865340000000
    V
    		CVE-2018-6534 on Ubuntu 18.10 (cosmic) - untriaged.
    2018-02-27
    oval:com.ubuntu.cosmic:def:20186534000
    V
    		CVE-2018-6534 on Ubuntu 18.10 (cosmic) - untriaged.
    2018-02-27
    oval:com.ubuntu.bionic:def:201865340000000
    V
    		CVE-2018-6534 on Ubuntu 18.04 LTS (bionic) - untriaged.
    2018-02-27
    oval:com.ubuntu.trusty:def:20186534000
    V
    		CVE-2018-6534 on Ubuntu 14.04 LTS (trusty) - untriaged.
    2018-02-27
    BACK
    icinga icinga *
    icinga icinga 2.8.1