CVE-2018-18654

HIGH

Debian Crossroads - Incorrect Permission Assignment

Title source: rule
STIX 2.1

Description

Crossroads 2.81 does not properly handle the /tmp directory during a build of xr. A local attacker can first create a world-writable subdirectory in a certain location under the /tmp directory, wait until a user process copies xr there, and then replace the entire contents of this subdirectory to include a Trojan horse xr.

References (1)

Core 1
Core References
Issue Tracking, Mailing List, Vendor Advisory x_refsource_misc
https://bugs.debian.org/911877

Scores

CVSS v3 7.8
EPSS 0.0003
EPSS Percentile 8.0%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-732
Status published
Products (1)
debian/crossroads 2.81
Published Oct 26, 2018
Tracked Since Feb 18, 2026