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Published: 13 July 2016

kinit in KDE Frameworks before 5.23.0 uses weak permissions (644) for /tmp/xauth-xxx-_y, which allows local users to obtain X11 cookies of other users and consequently capture keystrokes and possibly gain privileges by reading the file.



Cvss 3 Severity Score


Score breakdown


Package Release Status
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream Needs triage

wily Ignored
(end of life)
Released (5.18.0-0ubuntu1.1)
yakkety Not vulnerable
zesty Not vulnerable

Severity score breakdown

Parameter Value
Base score 8.4
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H