CVE-2017-16933

high

Published 2017-11-24 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

7.0

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.0

Description

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.

Predictions

Exploit likelihood

69%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`2.8.4-1`
debian	bullseye	fixed	`2.8.4-1`
debian	forky	fixed	`2.8.4-1`
debian	sid	fixed	`2.8.4-1`
debian	trixie	fixed	`2.8.4-1`

Application impact

Vendor	Product	Versions	Fixed
icinga	icinga	`{"startIncluding":"2.0.0","endIncluding":"2.8.0"}`

References

CWEs

CWE-732

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.