CVE-2020-14004 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00014.html http://www.openwall.com/lists/oss-security/2020/06/12/1 https://bugzilla.suse.com/show_bug.cgi?id=CVE-2020-14004 https://github.com/Icinga/icinga2/compare/v2.12.0-rc1…master https://github.com/Icinga/icinga2/pull/8045/commits/2f0f2e8c355b75fa4407d23f85feea037d2bc4b6 https://github.com/Icinga/icinga2/releases

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8