CVE-2017-18188 Information

Description

OpenRC opentmpfiles through 0.1.3 when the fs.protected_hardlinks sysctl is turned off allows local users to obtain ownership of arbitrary files by creating a hard link inside a directory on which \chown -R\ will be run.

CVSS Vector

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

Reference

https://github.com/OpenRC/opentmpfiles/issues/3

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5