CVE-2016-2568
HIGH severity · CVSS 7.8 · CWE-116
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityHigh
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2016/02/26/3Advisory
- https://access.redhat.com/security/cve/cve-2016-2568Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1300746Advisory
- https://ubuntu.com/security/CVE-2016-2568Advisory