CVE-2016-2568

It was found that pkexec was vulnerable to TIOCSTI ioctl attacks, allowing the executed program to push characters to its TTY's input buffer. While being executed as a non-privileged user, a specially crafted program could force its parent TTY to enter commands, interpreted by the shell when pkexec exits.

This issue affects the versions of polkit as shipped with Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this issue as having Moderate security impact. A future update may address this issue.

This vulnerability requires user interaction for successful exploitation, which is why this vulnerability has been marked as moderate by Red Hat. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.