Improper Input Validation

Affecting coreutils package, versions *

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Overview

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

CVSS Score

6.5
low severity
  • Attack Vector
    Local
  • Attack Complexity
    Low
  • Privileges Required
    Low
  • User Interaction
    None
  • Scope
    Changed
  • Confidentiality
    None
  • Integrity
    High
  • Availability
    None
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
CVE
CVE-2016-2781
CWE
CWE-20
Snyk ID
SNYK-UBUNTU1804-COREUTILS-317469
Disclosed
07 Feb, 2017
Published
07 Feb, 2017