CVEvulnerability
CVE-2016-2568
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2017-02-13
- Last modified
- 2026-10-08
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.4 MEDIUM — AV:L/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-116
Description
pkexec, when used with --user nonpriv, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
Affected configurations
• freedesktop polkit
• redhat enterprise linux 6.0
• redhat enterprise linux 7.0
Related
Weakness · CWE (1)
- CWE-116 Improper Encoding or Escaping of Output weakness
References
- http://www.openwall.com/lists/oss-security/2016/02/26/3 Mailing List, Third Party Advisory
- https://access.redhat.com/security/cve/cve-2016-2568 Third Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1300746 Issue Tracking, Third Party Advisory
- https://ubuntu.com/security/CVE-2016-2568 Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/02/26/3 Mailing List, Third Party Advisory
- https://access.redhat.com/security/cve/cve-2016-2568 Third Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1300746 Issue Tracking, Third Party Advisory
- https://ubuntu.com/security/CVE-2016-2568 Third Party Advisory