Access Restriction Bypass

Affecting util-linux package, versions *

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Overview

runuser in util-linux 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

7.8
low severity
  • Attack Vector
    Local
  • Attack Complexity
    Low
  • Privileges Required
    Low
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE
CVE-2016-2779
CWE
CWE-264
Snyk ID
SNYK-UBUNTU1604-UTILLINUX-285824
Disclosed
07 Feb, 2017
Published
07 Feb, 2017