chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
Advisories
Source ID Title
EUVD EUVD EUVD-2016-3855 chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00084}

epss

{'score': 0.00065}


Mon, 09 Jun 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-06-09T15:59:40.434Z

Reserved: 2016-02-28T00:00:00.000Z

Link: CVE-2016-2781

cve-icon Vulnrichment

Updated: 2024-08-05T23:32:20.994Z

cve-icon NVD

Status : Deferred

Published: 2017-02-07T15:59:00.333

Modified: 2025-06-09T16:15:25.013

Link: CVE-2016-2781

cve-icon Redhat

Severity : Moderate

Publid Date: 2016-02-28T00:00:00Z

Links: CVE-2016-2781 - Bugzilla

cve-icon OpenCVE Enrichment

No data.