CVE-2016-2781

MEDIUM

GNU coreutils - Local Privilege Escalation via TIOCSTI ioctl Call

Title source: llm
STIX 2.1

Description

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.

References (3)

Core 3
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/02/28/2
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/02/28/3

Scores

CVSS v3 4.6
EPSS 0.0008
EPSS Percentile 24.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (1)
gnu/coreutils
Published Feb 07, 2017
Tracked Since Feb 18, 2026