Vulnerability Name:

CVE-2017-16933 (CCN-135514)

Assigned:2017-11-23
Published:2017-11-23
Updated:2019-10-03
Summary:etc/initsystem/prepare-dirs in Icinga 2.x through 2.8.1 has a chown call for a filename in a user-writable directory, which allows local users to gain privileges by leveraging access to the $ICINGA2_USER account for creation of a link.
CVSS v3 Severity:7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.4 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
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:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-732
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2017-16933

Source: XF
Type: UNKNOWN
icinga-cve201716933-priv-esc(135514)

Source: CCN
Type: Icinga GIT Repository
CVE-2017-16933: root privilege escalation via prepare-dirs (init script and systemd service file) #5793

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://github.com/Icinga/icinga2/issues/5793

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-16933

Vulnerable Configuration:Configuration 1:
  • cpe:/a:icinga:icinga:*:*:*:*:*:*:*:* (Version >= 2.0.0 and <= 2.8.0)

    • Configuration CCN 1:
  • cpe:/a:icinga:icinga:2.8.0:*:*:*:*:*:*:*

    • * 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.disco:def:2017169330000000
    V
    		CVE-2017-16933 on Ubuntu 19.04 (disco) - medium.
    2017-11-24
    oval:com.ubuntu.artful:def:201716933000
    V
    		CVE-2017-16933 on Ubuntu 17.10 (artful) - untriaged.
    2017-11-24
    oval:com.ubuntu.cosmic:def:2017169330000000
    V
    		CVE-2017-16933 on Ubuntu 18.10 (cosmic) - medium.
    2017-11-24
    oval:com.ubuntu.bionic:def:201716933000
    V
    		CVE-2017-16933 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-11-24
    oval:com.ubuntu.bionic:def:2017169330000000
    V
    		CVE-2017-16933 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-11-24
    oval:com.ubuntu.cosmic:def:201716933000
    V
    		CVE-2017-16933 on Ubuntu 18.10 (cosmic) - medium.
    2017-11-24
    oval:com.ubuntu.xenial:def:2017169330000000
    V
    		CVE-2017-16933 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-24
    oval:com.ubuntu.xenial:def:201716933000
    V
    		CVE-2017-16933 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-24
    BACK
    icinga icinga *
    icinga icinga 2.8.0