CVE-2016-2568

CVSS V2 Medium 4.4 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2016-2568
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-02-13T18:59:00
  • Last Modified Date
  • 2022-04-18T17:59:06
Weakness Enumerations
CWE URL
CWE-116 http://cwe.mitre.org/data/definitions/116.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:freedesktop:polkit:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.1
  • Impact Score
  • 6
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1300746 Issue Tracking Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/26/3 Mailing List Third Party Advisory
https://ubuntu.com/security/CVE-2016-2568 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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-2568
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2568
History
Created Old Value New Value Data Type Notes
2022-05-10 15:41:45 Added to TrackCVE
2022-12-02 13:49:49 2017-02-13T18:59Z 2017-02-13T18:59:00 CVE Published Date updated
2022-12-02 13:49:49 2022-04-18T17:59:06 CVE Modified Date updated
2022-12-02 13:49:49 Analyzed Vulnerability Status updated