Vulnerability Name:

CVE-2018-6535 (CCN-139747)

Assigned:2018-02-21
Published:2018-02-21
Updated:2019-10-03
Summary:An issue was discovered in Icinga 2.x through 2.8.1. The lack of a constant-time password comparison function can disclose the password to an attacker.
CVSS v3 Severity:8.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
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:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/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): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2018-6535

Source: XF
Type: UNKNOWN
icinga-cve20186535-info-disc(139747)

Source: CONFIRM
Type: Third Party Advisory
https://github.com/Icinga/icinga2/issues/4920

Source: CCN
Type: Icinga GIT Repository
Hash API password and comparison #5715

Source: CONFIRM
Type: Third Party Advisory
https://github.com/Icinga/icinga2/pull/5715

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-6535

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:com.ubuntu.xenial:def:201865350000000
    V
    		CVE-2018-6535 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2018-02-27
    oval:com.ubuntu.artful:def:20186535000
    V
    		CVE-2018-6535 on Ubuntu 17.10 (artful) - untriaged.
    2018-02-27
    oval:com.ubuntu.xenial:def:20186535000
    V
    		CVE-2018-6535 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2018-02-27
    oval:com.ubuntu.disco:def:201865350000000
    V
    		CVE-2018-6535 on Ubuntu 19.04 (disco) - untriaged.
    2018-02-27
    oval:com.ubuntu.bionic:def:20186535000
    V
    		CVE-2018-6535 on Ubuntu 18.04 LTS (bionic) - untriaged.
    2018-02-27
    oval:com.ubuntu.cosmic:def:201865350000000
    V
    		CVE-2018-6535 on Ubuntu 18.10 (cosmic) - untriaged.
    2018-02-27
    oval:com.ubuntu.cosmic:def:20186535000
    V
    		CVE-2018-6535 on Ubuntu 18.10 (cosmic) - untriaged.
    2018-02-27
    oval:com.ubuntu.bionic:def:201865350000000
    V
    		CVE-2018-6535 on Ubuntu 18.04 LTS (bionic) - untriaged.
    2018-02-27
    oval:com.ubuntu.trusty:def:20186535000
    V
    		CVE-2018-6535 on Ubuntu 14.04 LTS (trusty) - untriaged.
    2018-02-27
    BACK
    icinga icinga *
    icinga icinga 2.8.1