CVE-2017-16933 : etc/initsystem/prepare-dirs in Icinga 2.x through 2.8.1 has a chown call for a f

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.

Published 2017-11-24 05:29:00

Updated 2019-10-03 00:03:26

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2017-16933

Icinga » Icinga
Versions from including (>=) 2.0.0 and up to, including, (<=) 2.8.0
cpe:2.3:a:icinga:icinga:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2017-16933

Top countries where our scanners detected CVE-2017-16933

Top open port discovered on systems with this issue 80

IPs affected by CVE-2017-16933 4

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2017-16933!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2017-16933

EPSS FAQ

0.03%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 5 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-16933

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.9	MEDIUM	AV:L/AC:M/Au:N/C:C/I:C/A:C	3.4	10.0	NIST
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.0	HIGH	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	1.0	5.9	NIST
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2017-16933

CWE-732 Incorrect Permission Assignment for Critical Resource

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-16933

https://github.com/Icinga/icinga2/issues/5793

CVE-2017-16933: root privilege escalation via prepare-dirs (init script and systemd service file) · Issue #5793 · Icinga/icinga2 · GitHub
Exploit;Issue Tracking;Third Party Advisory