Vulnerability in Icinga

CVE-2020-14004

An issue was discovered in Icinga2 before v2.12.0-rc1. The prepare-dirs script (run as part of the icinga2 systemd service) executes chmod 2750 /run/icinga2/cmd. /run/icinga2 is under control of an unprivileged user by default. If /run/icinga2/cmd is a symlink, then it will by followed and arbitrary files can be changed to mode 2750 by the unprivileged icinga2 user.

EPSS: 0.007 (50.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_MISC, Issue Tracking, Broken Link)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
  • cve@mitre.org (x_refsource_CONFIRM, Exploit, Mailing List, Third Party Advisory)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, Broken Link, x_refsource_SUSE)

Frequently asked questions

What is CVE-2020-14004?
CVE-2020-14004 is a high-severity vulnerability in Icinga, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2020-06-12.
How severe is CVE-2020-14004?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-14004 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.