Gentoo Archives: gentoo-announce

From: Yury German <blueknight@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201512-12 ] KDE Systemsettings: Privilege escalation
Date: Wed, 30 Dec 2015 21:11:24
Message-Id: 56844807.8000406@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201512-12
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: KDE Systemsettings: Privilege escalation
9 Date: December 30, 2015
10 Bugs: #528468
11 ID: 201512-12
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15 Synopsis
16 ========
17
18 Data validation in KDE Systemsettings could lead to local privilege
19 escalation.
20
21 Background
22 ==========
23
24 KDE workspace configuration module for setting the date and time has a
25 helper program
26 which runs as root for performing actions.
27
28 Affected packages
29 =================
30
31 -------------------------------------------------------------------
32 Package / Vulnerable / Unaffected
33 -------------------------------------------------------------------
34 1 kde-base/systemsettings < 4.11.13-r1 >= 4.11.13-r1
35
36 Description
37 ===========
38
39 KDE Systemsettings fails to properly validate user input before passing
40 it as argument in context of higher privilege.
41
42 Impact
43 ======
44
45 A local attacker could gain privileges via a crafted ntpUtility (ntp
46 utility name) argument.
47
48 Workaround
49 ==========
50
51 Add a polkit rule to disable the org.kde.kcontrol.kcmclock.save action.
52
53 Resolution
54 ==========
55
56 All KDE Systemsettings users should upgrade to the latest version:
57
58 # emerge --sync
59 # emerge --ask --oneshot -v ">=kde-base/systemsettings-4.11.13-r1"
60
61 References
62 ==========
63
64 [ 1 ] CVE-2014-8651
65 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8651
66
67 Availability
68 ============
69
70 This GLSA and any updates to it are available for viewing at
71 the Gentoo Security Website:
72
73 https://security.gentoo.org/glsa/201512-12
74
75 Concerns?
76 =========
77
78 Security is a primary focus of Gentoo Linux and ensuring the
79 confidentiality and security of our users' machines is of utmost
80 importance to us. Any security concerns should be addressed to
81 security@g.o or alternatively, you may file a bug at
82 https://bugs.gentoo.org.
83
84 License
85 =======
86
87 Copyright 2015 Gentoo Foundation, Inc; referenced text
88 belongs to its owner(s).
89
90 The contents of this document are licensed under the
91 Creative Commons - Attribution / Share Alike license.
92
93 http://creativecommons.org/licenses/by-sa/2.5

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