VULNERABILITY INTELLIGENCE

CVE-2016-2781

CVSS score4.6 MEDIUM
EPSS probability0.43%
CISA KEVNot currently listed
Published2017-02-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references