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Joined: 12 May 2004
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PostPosted: Wed Dec 30, 2015 9:26 pm    Post subject: [ GLSA 201512-12 ] KDE Systemsettings Reply with quote

Gentoo Linux Security Advisory

Title: KDE Systemsettings: Privilege escalation (GLSA 201512-12)
Severity: normal
Exploitable: local
Date: December 30, 2015
Bug(s): #528468
ID: 201512-12

Synopsis

Data validation in KDE Systemsettings could lead to local privilege
escalation.


Background

KDE workspace configuration module for setting the date and time has a
helper program
which runs as root for performing actions.


Affected Packages

Package: kde-base/systemsettings
Vulnerable: < 4.11.13-r1
Unaffected: >= 4.11.13-r1
Architectures: All supported architectures


Description

KDE Systemsettings fails to properly validate user input before passing
it as argument in context of higher privilege.


Impact

A local attacker could gain privileges via a crafted ntpUtility (ntp
utility name) argument.


Workaround

Add a polkit rule to disable the org.kde.kcontrol.kcmclock.save action.

Resolution

All KDE Systemsettings users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose
      ">=kde-base/systemsettings-4.11.13-r1"
   


References

CVE-2014-8651
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