Vulnerability Details CVE-2016-2568
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 33.4%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 4.4
References
- http://www.openwall.com/lists/oss-security/2016/02/26/3
- https://access.redhat.com/security/cve/cve-2016-2568
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062
- https://bugzilla.redhat.com/show_bug.cgi?id=1300746
- https://ubuntu.com/security/CVE-2016-2568
- http://www.openwall.com/lists/oss-security/2016/02/26/3
- https://access.redhat.com/security/cve/cve-2016-2568
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816062
- https://bugzilla.redhat.com/show_bug.cgi?id=1300746
- https://ubuntu.com/security/CVE-2016-2568
Products affected by CVE-2016-2568
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cpe:2.3:a:freedesktop:polkit:-
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cpe:2.3:o:redhat:enterprise_linux:6.0
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cpe:2.3:o:redhat:enterprise_linux:7.0